METAZOAN

metazoan

(noun) any animal of the subkingdom Metazoa; all animals except protozoans and sponges

Source: WordNet® 3.1


Etymology

Noun

metazoan (plural metazoans)

(zoology) Any animal that undergoes development from an embryo stage with three tissue layers, namely the ectoderm, mesoderm, and endoderm.

(zoology) Any animal that is multicellular.

Adjective

metazoan (not comparable)

Having to do with animals that develop from an embryo with three tissue layers.

Having to do with animals that are multicellular.

Synonyms

• metazoic

Source: Wiktionary


Met`a*zo"an, n.; pl. Metazoans (. (Zoöl.)

Definition: One of the Metazoa.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

5 January 2025

PTEROSAUR

(noun) an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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