noun ·Rare ·Advanced level

Definitions

Noun

1. 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”).

Related phrases

pleural lobe

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.