1. primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies; [syn: sponge, poriferan, parazoan]
WordNet (r) 3.0 (2006):
parazoan
n 1: primitive multicellular marine animal whose porous body is
supported by a fibrous skeletal framework; usually occurs
in sessile colonies [syn: sponge, poriferan,
parazoan]