# pectoralis

> English word · Noun · frequency rank #89,746

## Definitions
1. A pair of muscles that lowers the wings of birds in flight

## Etymology
From Latin pectoralis, "pertaining to the chest or breast".

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