noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A layer of embryonic cells formed from the mesoderm and endoderm that develops into the wall of the viscera.

Etymology

From Ancient Greek σπλάγχνα (splánkhna, “viscera”) + πλευρά (pleurá, “a side of something”).

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