# pleuron

> English word · Noun

## Definitions
1. A lateral sclerite of a thoracic segment of an arthropod between the tergum and the sternum.

## Etymology
Borrowed from Ancient Greek πλευρόν (pleurón, “rib, side”).

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