# underarm

> English word · Noun · IPA /ˈʌndɚˌɑɹm/ · frequency rank #61,190

## Definitions
1. The armpit.
2. Old-fashioned and now outlawed style of bowling in which the arm is not swung over the shoulder.

## Etymology
From under- + arm. The armpit sense is not old, historically speaking (1920s), and it is believed to have arisen as a euphemism in advertising.

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