parazoan

Từ điển WordNet v3.1 - WordNet Dictionary

noun

primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework;
usually occurs in sessile colonies
• Syn:
sponge, poriferan
• Derivationally related forms:
spongy (for: sponge), sponge (for: sponge)
• Hypernyms:
invertebrate
• Hyponyms:
glass sponge
• Member Holonyms:
Porifera, phylum Porifera