Coelom

//ˈsiːləm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum.
  2. 2
    a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity wordnet

Etymology

From international scientific vocabulary, from New Latin, from Ancient Greek κοίλωμα (koílōma, “hollow, cavity”). Cognate with coeliac.

Related phrases

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