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.