# pleurocoel

> English word · Noun

## Definitions
1. One of a set of hollow depressions on the lateral portions of the vertebrae in dinosaurs, which served to decrease the weight of these bones without sacrificing strength.

## Etymology
From pleuro- + -coel.

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