Standard Lemma guide

triangle

name · noun · 24 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˈtɹaɪəŋɡəl/
  • UK: /ˈtɹaɪˌæŋɡəl/
  • US: trī'-ăng-gəl
  • US: /ˈtɹaɪˌæŋɡəl/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -aɪæŋɡəl
  • rhymes with -æŋɡəl
  • CMU ARPABET: T R AY1 AE2 NG G AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A place in the United States:

The area comprising the cities of Raleigh, Durham and Chapel Hill in North Carolina. Used with "the" except when attributive.

Definition source: English Wiktionary via Wiktextract

Examples

  • I moved to the Triangle two years ago.
  • Many Triangle residents enjoy iced tea.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

A place in the United States:

A town in Broome County, New York.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

A place in the United States:

A census-designated place in Prince William County, Virginia.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

name

Meaning 4

A community in Newfoundland and Labrador, Canada, seemingly in Labrador.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

A place in England:

A hamlet in Hewelsfield and Brockweir parish, Forest of Dean district, Gloucestershire (OS grid ref SO5401).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

name

Meaning 6

A place in England:

A suburb of Burntwood in Hammerwich parish, Lichfield district, Staffordshire (OS grid ref SK0507).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

name

Meaning 7

A place in England:

A small village south-west of Sowerby Bridge, Calderdale borough, West Yorkshire (OS grid ref SE0422).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

name

Meaning 8

A small town in Masvingo province, Zimbabwe.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

name

Meaning 9

Ellipsis of Bermuda Triangle.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, ellipsis

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

A polygon with three sides and three angles.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

A set square.

Definition source: English Wiktionary via Wiktextract

Usage: Canada, US

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.

Definition source: English Wiktionary via Wiktextract

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

A triangular piece of equipment used for gathering the balls into the formation required by the game being played.

Definition source: English Wiktionary via Wiktextract

Topics: ball-games, billiards, games, hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

A love triangle.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

noun

Meaning 15

The structure of systems composed with three interrelated objects.

Definition source: English Wiktionary via Wiktextract

Qualifier: systemics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

16

noun

Meaning 16

A draughtsman's square in the form of a right-angled triangle.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

17

noun

Meaning 17

A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.

Definition source: English Wiktionary via Wiktextract

Usage: historical, plural-normally

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

18

noun

Meaning 18

Any of various large papilionid butterflies of the genus Graphium.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bluebottle

Antonyms: none provided

19

noun

Meaning 19

A triangular formation of railway tracks, with a curve on at least one side.

Definition source: English Wiktionary via Wiktextract

Topics: rail-transport, railways, transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: wye

Antonyms: none provided

20

noun

Meaning 20

a percussion instrument consisting of a metal bar bent in the shape of an open triangle

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: percussion instrument, percussive instrument

21

noun

Meaning 21

any of various triangular drafting instruments used to draw straight lines at specified angles

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: drafting instrument

22

noun

Meaning 22

a small northern constellation near Perseus between Andromeda and Aries

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Triangulum

Antonyms: none provided

Broader terms: constellation

23

noun

Meaning 23

a three-sided polygon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: trigon, trilateral

Antonyms: none provided

Broader terms: polygon, polygonal shape

Narrower terms: acute triangle, acute-angled triangle, equilateral triangle, equiangular triangle, isosceles triangle, oblique triangle, obtuse triangle, obtuse-angled triangle, right triangle, right-angled triangle, scalene triangle, wedge, wedge shape, cuneus

24

noun

Meaning 24

something approximating the shape of a triangle

Definition source: Princeton WordNet 3.0

Examples

  • the coastline of Chile and Argentina and Brazil forms two legs of a triangle

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: shape, form

History

Etymology

From triangle; in North Carolina from being a triangular region.

PIE word *tréyes From Middle English triangle, from Old French triangle, from Latin triangulum, noun use of adjective triangulus (“three-cornered, having three angles”), from trēs (“three”) + angulus (“corner, angle”), equivalent to tri- + -angle.

Across languages

Translations

225 source translations are retained for this English entry.

  • Afrikaans: driehoek — polygon
  • Albanian: trekëndësh — polygon
  • Southern Altai: ӱчтолык (üčtolïk) — polygon
  • Amharic: ሶስት ማእዘን (sost maʾzän) — polygon
  • Arabic: مُثَلَّث (muṯallaṯ) — polygon
  • Aragonese: trianglo — polygon
  • Assyrian Neo-Aramaic: ܛܪܝܼܓܵܘܢܵܐ (ṭrīgāwnā) — polygon
  • Armenian: եռանկյուն (eṙankyun) — polygon
  • Assamese: ত্রিভুজ — polygon
  • Asturian: triángulu — polygon
  • Aymara: mujina — polygon
  • Azerbaijani: üçbucaq — polygon
  • Bashkir: өсмөйөш (ösmöyöş) — polygon
  • Basque: hiruki — polygon
  • Belarusian: трохку́тнік (troxkútnik) — polygon
  • Bengali: ত্রিভুজ (tribhuj) — polygon
  • Bengali: ত্রিকোণ (trikōn) — polygon
  • Bengali: তেকোনা (tekōna) — polygon
  • Bulgarian: триъ́гълник (triǎ́gǎlnik) — polygon
  • Burmese: တြိဂံ (tri.gam) — polygon
  • Catalan: triangle — polygon
  • Chinese Mandarin: 三角 (sānjiǎo) — polygon
  • Chinese Mandarin: 三角形 (sānjiǎoxíng) — polygon
  • Corsican: triangulu — polygon
  • Czech: trojúhelník — polygon
  • Danish: trekant — polygon
  • Dutch: driehoek — polygon
  • Egyptian: s-p:d-t-M44 (spdt) — polygon
  • Esperanto: triangulo — polygon
  • Esperanto: trilatero — polygon
  • Estonian: kolmnurk — polygon
  • Faroese: tríhyrningur — polygon
  • Finnish: kolmio — polygon
  • French: triangle — polygon
  • North Frisian: triihuk — polygon
  • North Frisian: träikånt (Ockholm) — polygon
  • North Frisian: träikaant (Langenhorn) — polygon
  • North Frisian: Triihuk — polygon
  • North Frisian: Triikant — polygon
  • North Frisian: träikant — polygon
  • Saterland Frisian: Trjokaant — polygon
  • West-Frisian: trijehoek — polygon
  • Friulian: triangul — polygon
  • Galician: triángulo — polygon
  • Georgian: სამკუთხედი (samḳutxedi) — polygon
  • German: Dreieck — polygon
  • Greek: τρίγωνο (trígono) — polygon
  • Ancient Greek: τρίγωνον (trígōnon) — polygon
  • Gujarati: ત્રિકોણ (trikoṇ) — polygon
  • Haitian Creole: triyang — polygon
  • Hebrew: משולש \ מְשֻׁלָּשׁ (meshulásh) — polygon
  • Hindi: त्रिकोण (trikoṇ) — polygon
  • Hindi: त्रिभुज (tribhuj) — polygon
  • Hungarian: háromszög — polygon
  • Icelandic: þríhyrningur — polygon
  • Ido: triangulo — polygon
  • Indonesian: segitiga — polygon
  • Ingrian: kolminurkkain — polygon
  • Irish: triantán — polygon
  • Italian: triangolo — polygon
  • Japanese: 三角 (sankaku) — polygon
  • Japanese: 三角形 (sankakukei) — polygon
  • Javanese: segi telu — polygon
  • Kalmyk: һурвлҗн (ğurvljn) — polygon
  • Kalmyk: һурвн булңт (ğurvn bulñt) — polygon
  • Kannada: ತ್ರಿಕೋನ (trikōna) — polygon
  • Kashubian: trzënórt — polygon
  • Kazakh: үшбұрыш (üşbūryş) — polygon
  • Kazakh: үшкіл (üşkıl) — polygon
  • Kazakh: үштаған (üştağan) — polygon
  • Khmer: ត្រីកោណ (trəykaon) — polygon
  • Korean: 삼각 (samgak) — polygon
  • Korean: 삼각형 (samgakhyeong) — polygon
  • Korean: 세모 (semo) — polygon
  • Kumyk: уьчмююшлюк (üçmüyuşlük) — polygon
  • Kumyk: уьч буччакълыкъ (üç buççaqlıq) — polygon
  • Central Kurdish: سێگۆشە (sêgoşe) — polygon
  • Northern Kurdish: sêgoşe — polygon
  • Kyrgyz: үч бурчтук (üc burctuk) — polygon
  • Kyrgyz: үчбурч (ücburc) — polygon
  • Lao: ສາມແຈ (sām chǣ) — polygon
  • Lao: ສາມຫຼ່ຽມ (sām līam) — polygon
  • Latin: triangulum — polygon
  • Latvian: trīsstūris — polygon
  • Ligurian: triàngolo — polygon
  • Limburgish: driehook — polygon
  • Lingala: mbata-isáto — polygon
  • Lithuanian: trikampis — polygon
  • Lombard: triàngol — polygon
  • Macedonian: триа́голник (triágolnik) — polygon
  • Malay: segi tiga — polygon
  • Malay: segi telu — polygon
  • Manx: troorane — polygon
  • Māori: tapatoru — polygon
  • Mongolian: гурвалжин (gurvalžin) — polygon
  • Moore: kog-tãabga — polygon
  • Navajo: tááʼgóó yistłʼah — polygon
  • Navajo: táaʼgo heetsʼóóz — polygon
  • Navajo: táaʼgo deezʼá — polygon
  • Navajo: tááʼgóó adeezʼá — polygon
  • Norwegian Bokmål: trekant — polygon
  • Norwegian Nynorsk: trekant — polygon
  • Occitan: triangle — polygon
  • Oromo: rog-sadee — polygon
  • Pashto: درې څنډى (dre cᶕnḍay) — polygon
  • Pashto: مثلث (mosalas) — polygon
  • Pashto: تکون (tekun) — polygon
  • Persian: مثلث (mosalas) — polygon
  • Persian: سهگوش (se-guš) — polygon
  • Persian: سهگوشه (se-guše) — polygon
  • Persian: سهسوی (sisōy) — polygon
  • Persian: سهگوشه (sigōša) — polygon
  • Piedmontese: triàngol — polygon
  • Polish: trójkąt — polygon
  • Portuguese: triângulo — polygon
  • Quechua: kimsak'uchu — polygon
  • Romanian: triunghi — polygon
  • Russian: треуго́льник (treugólʹnik) — polygon
  • Northern Sami: golmmačiegat — polygon
  • Samogitian: trėkompis — polygon
  • Sanskrit: त्रिकोण (trikoṇa) — polygon
  • Sardinian: triàngulu — polygon
  • Scottish Gaelic: trì-cheàrnag — polygon
  • Scottish Gaelic: trì-oinnsinneach — polygon
  • Scottish Gaelic: trì-oisinneag — polygon
  • Scottish Gaelic: triantan — polygon
  • Serbo-Croatian: тро̏кӯт — polygon
  • Serbo-Croatian: троугао — polygon
  • Serbo-Croatian: trȍkūt — polygon
  • Serbo-Croatian: trougao — polygon
  • Shona: gonyonhatu — polygon
  • Sicilian: triàngulu — polygon
  • Slovak: trojuholník — polygon
  • Slovene: trikotnik — polygon
  • Somali: saddax-xagal — polygon
  • Lower Sorbian: tśirožk — polygon
  • Upper Sorbian: třiróžk — polygon
  • Spanish: triángulo — polygon
  • Sundanese: juru tilu — polygon
  • Swahili: pembetatu — polygon
  • Swedish: triangel — polygon
  • Swedish: trekant — polygon
  • Swedish: trehörning — polygon
  • Tagalog: triyanggulo — polygon
  • Tagalog: tatsulok — polygon
  • Tagalog: tilasitha — polygon
  • Tajik: секунҷа (sekunja) — polygon
  • Tajik: сегӯша (següša) — polygon
  • Tajik: мусаллас (musallas) — polygon
  • Tamil: முக்கோணம் (mukkōṇam) — polygon
  • Tatar: өчпочмак (öçpoçmaq) — polygon
  • Tày: slam cooc — polygon
  • Telugu: త్రిభుజము (tribhujamu) — polygon
  • Telugu: త్రికోణము (trikōṇamu) — polygon
  • Thai: สามเหลี่ยม (sǎam-lìiam) — polygon
  • Tibetan: གྲུ་གསུམ (gru gsum) — polygon
  • Tibetan: ཟུར་གསུམ (zur gsum) — polygon
  • Turkish: üçgen — polygon
  • Turkish: üçbucak — polygon
  • Turkish: müselles — polygon
  • Turkmen: üçburçluk — polygon
  • Tuvan: үш-бүлүңчүк (üş-bülüñçük) — polygon
  • Ukrainian: трику́тник (trykútnyk) — polygon
  • Urdu: مُثَلَّث (musallas) — polygon
  • Uyghur: ئۈچ بۇلۇڭ (üch bulung) — polygon
  • Uzbek: uchburchak — polygon
  • Uzbek: musallas — polygon
  • Venetan: triangoło — polygon
  • Vietnamese: tam giác — polygon
  • Vietnamese: hình tam giác — polygon
  • Volapük: killien — polygon
  • Waray-Waray: trayanggulo — polygon
  • Welsh: triongl — polygon
  • West Flemish: drieoek — polygon
  • Yakut: үс муннук (üs munnuk) — polygon
  • Yiddish: דרײַעק (drayek) — polygon
  • Yoruba: anígunmẹ́ta — polygon
  • Zazaki: hirequnc — polygon
  • Zazaki: hirguş — polygon
  • Zazaki: hirdag — polygon
  • Zulu: unxantathu class 1a/2a — polygon
  • Afrikaans: driehoek — percussion instrument
  • Asturian: triángulu — percussion instrument
  • Bulgarian: триъ́гълник (triǎ́gǎlnik) — percussion instrument
  • Bulgarian: триа́нгел (triángel) — percussion instrument
  • Catalan: triangle — percussion instrument
  • Chinese Mandarin: 三角鐵 /三角铁 (sānjiǎotiě) — percussion instrument
  • Czech: triangl — percussion instrument
  • Danish: triangel — percussion instrument
  • Dutch: triangel — percussion instrument
  • Esperanto: triangulo — percussion instrument
  • Finnish: triangeli — percussion instrument
  • French: triangle — percussion instrument
  • Galician: triángulo — percussion instrument
  • Galician: ferriños — percussion instrument
  • German: Triangel — percussion instrument
  • Greek: τρίγωνο (trígono) — percussion instrument
  • Ancient Greek: τρίγωνον (trígōnon) — percussion instrument
  • Hebrew: משולש \ מְשֻׁלָּשׁ (meshulásh) — percussion instrument
  • Hungarian: triangulum — percussion instrument
  • Icelandic: þríhorn — percussion instrument
  • Irish: triantán — percussion instrument
  • Italian: triangolo — percussion instrument
  • Japanese: トライアングル (toraianguru) — percussion instrument
  • Korean: 트라이앵글 (teuraiaenggeul) — percussion instrument
  • Malay: kerincing — percussion instrument
  • Polish: trójkąt — percussion instrument
  • Portuguese: triângulo — percussion instrument
  • Portuguese: ferrinhos — percussion instrument
  • Romanian: trianglu — percussion instrument
  • Russian: треуго́льник (treugólʹnik) — percussion instrument
  • Serbo-Croatian: тро̏кӯт — percussion instrument
  • Serbo-Croatian: троугао — percussion instrument
  • Serbo-Croatian: trȍkūt — percussion instrument
  • Serbo-Croatian: trougao — percussion instrument
  • Slovak: triangel — percussion instrument
  • Slovene: triangel — percussion instrument
  • Spanish: triángulo — percussion instrument
  • Swedish: triangel — percussion instrument
  • Tagalog: batingting — percussion instrument
  • Tamil: முக்கோணம் (mukkōṇam) — percussion instrument
  • Thai: สามเหลี่ยม (sǎam-lìiam) — percussion instrument
  • Vietnamese: kẻng tam giác — percussion instrument
  • Vietnamese: kẻng ba góc — percussion instrument
  • Welsh: triongl — percussion instrument
Real reading context

triangle in complete knowledge articles