# megagon

> English word · Noun

## Definitions
1. A polygon with one million sides.
2. A polygon with a vastly larger number of sides, used in the definition of Moser's number.

## Etymology
mega- + -gon

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