Standard Lemma guide

decagon

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: /ˈdɛ.kə.ɡɑn/
  • UK: /ˈdɛ.kə.ɡən/
  • Canada: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A polygon with ten sides and ten 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

2

noun

Meaning 2

a polygon with 10 sides and 10 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: polygon, polygonal shape

History

Etymology

From deca- + -gon.

Across languages

Translations

40 source translations are retained for this English entry.

  • Southern Altai: онтолык (ontolïk) — polygon with ten sides
  • Bengali: দশভুজ (dośobhuj) — polygon with ten sides
  • Bulgarian: десетоъгъ́лник (desetoǎgǎ́lnik) — polygon with ten sides
  • Burmese: ဒသဂံ (da.sa.gam) — polygon with ten sides
  • Catalan: decàgon — polygon with ten sides
  • Chinese Mandarin: 十邊形 /十边形 (shíbiānxíng) — polygon with ten sides
  • Czech: desetiúhelník — polygon with ten sides
  • Dutch: tienhoek — polygon with ten sides
  • East Frisian Low German: tainkâant — polygon with ten sides
  • Finnish: kymmenkulmio — polygon with ten sides
  • French: décagone — polygon with ten sides
  • North Frisian: Tiinhuk — polygon with ten sides
  • Saterland Frisian: Tjoonkaant — polygon with ten sides
  • West-Frisian: tsienhoek — polygon with ten sides
  • Georgian: ათკუთხედი (atḳutxedi) — polygon with ten sides
  • Georgian: დეკაგონი (deḳagoni) — polygon with ten sides
  • German: Zehneck — polygon with ten sides
  • Greek: δεκάγωνο (dekágono) — polygon with ten sides
  • Ancient Greek: δεκάγωνον (dekágōnon) — polygon with ten sides
  • Hindi: दशकोण (daśkoṇ) — polygon with ten sides
  • Hungarian: tízszög — polygon with ten sides
  • Icelandic: tíhyrningur — polygon with ten sides
  • Ido: dekagono — polygon with ten sides
  • Italian: decagono — polygon with ten sides
  • Japanese: 十角形 — polygon with ten sides
  • Korean: 십각형 (sipgakhyeong) — polygon with ten sides
  • Kumyk: он мююшлюк (on müyuşlük) — polygon with ten sides
  • Latin: decagōnum — polygon with ten sides
  • Macedonian: десета́голник (desetágolnik) — polygon with ten sides
  • Malay: segi sepuluh — polygon with ten sides
  • Malay: dasakona — polygon with ten sides
  • Malay: dekagon — polygon with ten sides
  • Polish: dziesięciokąt — polygon with ten sides
  • Portuguese: decágono — polygon with ten sides
  • Russian: десятиуго́льник (desjatiugólʹnik) — polygon with ten sides
  • Russian: декаго́н (dekagón) — polygon with ten sides
  • Spanish: decágono — polygon with ten sides
  • Tagalog: pulsiha — polygon with ten sides
  • Thai: สิบเหลี่ยม (sìp-lìiam) — polygon with ten sides
  • Ukrainian: десятикутник (desjatykutnyk) — polygon with ten sides