# bouton

> English word · Noun · IPA /buːˈtɒn/ · frequency rank #88,143

## Definitions
1. A bud-like swelling, especially one at the end of an axon.

## Etymology
Borrowed from French bouton. Doublet of button.

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