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Word of the Day Wednesday, June 10, 2026

coelom

/kəˈloʊm/ noun · British & US
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What does coelom mean?

noun

A fluid-filled cavity or body cavity in an animal, typically lined with mesoderm and containing organs such as the digestive system, heart, and lungs. In some animals, the coelom is a body cavity that is filled with fluid and is used for support and protection.

Example

"The coelom of the earthworm is a fluid-filled cavity that surrounds its internal organs."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for coelom

Rhymes with coelom

Etymologically related