Cnidaria

[ nahy-dair-ee-uh ]
/ naɪˈdɛər i ə /
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noun Zoology.

an alternative name for the invertebrate phylum Coelenterata, giving emphasis to the stinging structures as characteristic of the phylum.

Origin of Cnidaria

From New Latin; see origin at cnida, -aria
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Word Origin and History for cnidaria

Cnidaria


n.

phylum of stinging invertebrates, from Modern Latin cnida, from Greek knide "nettle," from stem of knizein "to scratch scrape." Related: Cnidarian.

Online Etymology Dictionary, © 2010 Douglas Harper