# decagon

> English word · Noun · IPA /ˈdɛ.kə.ɡɑn/

## Definitions
1. A polygon with ten sides and ten angles.

## Etymology
From deca- + -gon.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/decagon