Standard Lemma guide

heptagon

noun · 2 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.

  • US: hĕp'təgŏn
  • US: /ˈhɛp.tə.ɡɒn/
  • UK: hĕp'təgən
  • UK: /ˈhɛp.tə.ɡən/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A polygon with seven sides and seven angles.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a seven-sided polygon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: polygon, polygonal shape

History

Etymology

Since 16th century, from Ancient Greek ἑπτάγωνον (heptágōnon), from ἑπτά (heptá, “seven”) + γωνία (gōnía, “angle”). By surface analysis, hepta- + -gon.

Across languages

Translations

63 source translations are retained for this English entry.

  • Afrikaans: heptagoon — polygon with seven sides and seven angles
  • Afrikaans: sewehoek — polygon with seven sides and seven angles
  • Southern Altai: јетитолык (ǰetitolïk) — polygon with seven sides and seven angles
  • Arabic: مُسَبَّع (musabbaʕ) — polygon with seven sides and seven angles
  • Asturian: heptágonu — polygon with seven sides and seven angles
  • Bengali: সপ্তভুজ (śoptobhuj) — polygon with seven sides and seven angles
  • Bulgarian: седмоъгълник (sedmoǎgǎlnik) — polygon with seven sides and seven angles
  • Burmese: သတ္တဂံ (satta.gam) — polygon with seven sides and seven angles
  • Catalan: heptàgon — polygon with seven sides and seven angles
  • Chinese Mandarin: 七角形 (qījiǎoxíng) — polygon with seven sides and seven angles
  • Czech: sedmiúhelník — polygon with seven sides and seven angles
  • Danish: syvkant — polygon with seven sides and seven angles
  • Dutch: zevenhoek — polygon with seven sides and seven angles
  • Dutch: heptagoon — polygon with seven sides and seven angles
  • East Frisian Low German: söömkâant — polygon with seven sides and seven angles
  • Esperanto: seplatero — polygon with seven sides and seven angles
  • Esperanto: sepangulo — polygon with seven sides and seven angles
  • Esperanto: heptagono — polygon with seven sides and seven angles
  • Finnish: seitsenkulmio — polygon with seven sides and seven angles
  • French: heptagone — polygon with seven sides and seven angles
  • Old French: septangle — polygon with seven sides and seven angles
  • North Frisian: Soowenhuk — polygon with seven sides and seven angles
  • Saterland Frisian: Sogenkaant — polygon with seven sides and seven angles
  • West-Frisian: sânhoek — polygon with seven sides and seven angles
  • Friulian: etagon — polygon with seven sides and seven angles
  • Galician: heptágono — polygon with seven sides and seven angles
  • Georgian: შვიდკუთხედი (švidḳutxedi) — polygon with seven sides and seven angles
  • German: Siebeneck — polygon with seven sides and seven angles
  • German: Heptagon — polygon with seven sides and seven angles
  • Greek: επτάγωνο (eptágono) — polygon with seven sides and seven angles
  • Greek: εφτάγωνο (eftágono) — polygon with seven sides and seven angles
  • Ancient Greek: ἑπτάγωνον (heptágōnon) — polygon with seven sides and seven angles
  • Hebrew: משובע \ מְשֻׁבָּע (meshubá) — polygon with seven sides and seven angles
  • Hindi: सप्तकोण (saptakoṇ) — polygon with seven sides and seven angles
  • Hungarian: hétszög — polygon with seven sides and seven angles
  • Icelandic: sjöhyrningur — polygon with seven sides and seven angles
  • Ido: heptagono — polygon with seven sides and seven angles
  • Indonesian: segi tujuh — polygon with seven sides and seven angles
  • Italian: ettagono — polygon with seven sides and seven angles
  • Italian: eptagono — polygon with seven sides and seven angles
  • Japanese: 七角形 (nanakakukei) — polygon with seven sides and seven angles
  • Kazakh: жетібұрыш (jetıbūryş) — polygon with seven sides and seven angles
  • Korean: 칠각형 (chilgakhyeong) — polygon with seven sides and seven angles
  • Kumyk: етти мююшлюк (yetti müyuşlük) — polygon with seven sides and seven angles
  • Macedonian: седума́голник (sedumágolnik) — polygon with seven sides and seven angles
  • Persian: هفت ضلعی — polygon with seven sides and seven angles
  • Polish: siedmiokąt — polygon with seven sides and seven angles
  • Portuguese: heptágono — polygon with seven sides and seven angles
  • Romanian: heptagon — polygon with seven sides and seven angles
  • Russian: семиуго́льник (semiugólʹnik) — polygon with seven sides and seven angles
  • Scottish Gaelic: seachd-shliosach — polygon with seven sides and seven angles
  • Serbo-Croatian: sedmougao — polygon with seven sides and seven angles
  • Serbo-Croatian: sedmokut — polygon with seven sides and seven angles
  • Slovak: sedemuholník — polygon with seven sides and seven angles
  • Slovene: sedmerokotnik — polygon with seven sides and seven angles
  • Spanish: heptágono — polygon with seven sides and seven angles
  • Tagalog: pitsiha — polygon with seven sides and seven angles
  • Thai: เจ็ดเหลี่ยม (jèt-lìiam) — polygon with seven sides and seven angles
  • Tibetan: ཟུར་བདུན་གྱི་དབྱིབས (zur bdun gyi dbyibs) — polygon with seven sides and seven angles
  • Turkish: yedigen — polygon with seven sides and seven angles
  • Ukrainian: семикутник (semykutnyk) — polygon with seven sides and seven angles
  • Vietnamese: hình bảy cạnh — polygon with seven sides and seven angles
  • Welsh: seithongl — polygon with seven sides and seven angles