- any member of a group of invertebrates comprising the phylum Porifera, the sponges.
- of or relating to a parazoan organism.
Origin of parazoan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any multicellular invertebrate of the group Parazoa, which consists of the sponges (phylum Porifera)Compare metazoan
C19: from parazoa, formed on the model of protozoa and metazoa, from para- 1 + Greek zōon animal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012