Medical term:
cnidarian
cnidarian
(nī-dâr′ē-ən)n.
Any of various invertebrate animals of the phylum Cnidaria, characterized by a radially symmetrical body with a saclike internal cavity and stinging nematocysts, and including the jellyfishes, hydras, sea anemones, and corals.
cni·dar′i·an adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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