1. multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system; [syn: Metazoa, subkingdom Metazoa]
WordNet (r) 3.0 (2006):
subkingdom Metazoa
n 1: multicellular animals having cells differentiated into
tissues and organs and usually a digestive cavity and
nervous system [syn: Metazoa, subkingdom Metazoa]