# metapleure

> English word · Noun

## Definitions
1. A longitudinal fold at the junction of the ventral and lateral surfaces of a lancelet

## Etymology
From metapleuron.

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