adj, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Any animal that is multicellular.
2. 2
   any animal of the subkingdom Metazoa; all animals except protozoans and sponges wordnet
3. 3
   Any animal that undergoes development from an embryo stage with two or three tissue layers, namely the ectoderm, endoderm, and sometimes mesoderm. obsolete

Adjective

1. 1
   Having to do with animals that are multicellular. not-comparable
2. 2
   Having to do with animals that develop from an embryo with three tissue layers. not-comparable

Synonyms

All synonyms

metazoicmetazoic

Etymology

From translingual Metazoa + -an.

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