metazoan
noun, adjective
Forms metazoa metazoans
- noun (zoology) Any animal that is multicellular.
- noun (zoology, obsolete) Any animal that undergoes development from an embryo stage with two or three tissue layers, namely the ectoderm, endoderm, and sometimes mesoderm.
- adjective Having to do with animals that are multicellular.
- adjective Having to do with animals that develop from an embryo with three tissue layers.
Synonyms
Etymology
From Translingual Metazoa + English -an.
Webster’s 1913
- noun One of the Metazoa.
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “metazoan”, CC BY-SA 4.0. Details