Definition of cnidarian

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< .cn

cnidoblast >

cni·dar·i·an

-dâr

n) KEY

NOUN:

Any of various invertebrate animals of the phylum Cnidaria, characterized by a radially symmetrical body with a saclike internal cavity, and including the jellyfishes, hydras, sea anemones, and corals. Also called coelenterate.

ADJECTIVE:

Of, relating to, or belonging to the phylum Cnidaria.

ETYMOLOGY:
New Latin Cndria, phylum name, from Greek knd, sea nettle

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