met·a·zo·an (mět'ə-zō'ən) n. A multicellular animal of the subkingdom Metazoa, a division of the animal kingdom in traditional two-kingdom classification systems.
[From New Latin Metazōa, a subdivision of the animal kingdom : meta- + -zōa, pl. of -zōon, animal; see -zoon.] met'a·zo'al, met'a·zo'an, met'a·zo'ic adj.
Main Entry: meta·zoa Pronunciation: "met-&-'zO-& Function: noun plural 1capitalized: a major taxonomic group comprising themetazoans —compare PROTOZOA 2: animals that are metazoans
Metazoa Met·a·zo·a (mět'ə-zō'ə) n. A subdivision of the animal kingdom that includes all multicellular animal organisms having cells that are differentiated and form tissues and organs.