# overjaw

> English word · Noun

## Definitions
1. The upper jaw (superior maxillary).

## Etymology
From Middle English overjowe, over jawe, a partial calque of earlier Middle English over chavel (“upper jaw”), equivalent to over- + jaw.

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