# retentor

> English word · Noun

## Definitions
1. A muscle which holds a body part in place, notably in extended or retracted position

## Etymology
Borrowed from Latin retentor, from retentare, from retinere (“retain, hold back”), from re- + tenere.

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