in some systems of classification, any of the very large subkingdom (Metazoa) made up of all animals whose bodies, originating from a single cell, are composed of many differentiated cells arranged into definite organs
Origin of metazoanfrom Modern Latin Metazoa ( from meta- + -zoa) + -an
of the metazoans
Any of numerous heterotrophic eukaryotic organisms of the kingdom Metazoa, characteristically having a multicellular body with cells differentiated into tissues; an animal.
Origin of metazoanFrom New Latin Metazōa kingdom name meta- -zōa pl. of -zōon animal ; see -zoon .
- met′a·zo′al met′a·zo′an
Metazoa +"Ž -an