Dictionary
cni•dar•i•an
Pronunciation: (nī-dâr'ē-un), [key]—
n.
any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a coelenterate.
—
adj.
belonging or pertaining to the Cnidaria.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.