Standard Lemma guide

coelom

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK, US: /ˈsiːləm/

1

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: celom, celoma

Antonyms: none provided

Broader terms: cavity, bodily cavity, cavum

History

Etymology

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

Across languages

Translations

12 source translations are retained for this English entry.

  • Chinese Mandarin: 體腔 /体腔 (tǐqiāng) — fluid-filled cavity within the body of an animal
  • Czech: coelom — fluid-filled cavity within the body of an animal
  • Dutch: coeloom — fluid-filled cavity within the body of an animal
  • Finnish: ruumiinontelo — fluid-filled cavity within the body of an animal
  • French: célome — fluid-filled cavity within the body of an animal
  • French: cœlome — fluid-filled cavity within the body of an animal
  • Galician: celoma — fluid-filled cavity within the body of an animal
  • Irish: céalóm — fluid-filled cavity within the body of an animal
  • Italian: celoma — fluid-filled cavity within the body of an animal
  • Japanese: 体腔 (taikō) — fluid-filled cavity within the body of an animal
  • Portuguese: celoma — fluid-filled cavity within the body of an animal
  • Vietnamese: thể khoang — fluid-filled cavity within the body of an animal