# mesosternum

> English word · Noun

## Definitions
1. The middle portion, or body, of the sternum.
2. The ventral piece of the middle segment of the thorax.

## Etymology
From meso- + sternum.

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