- 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