cnida

[nahy-duh]

noun

Zoology.

plural

cnidae 

1. a nematocyst.

Word History and Origins

Origin of cnida¹

1875–80; < Latin cnīdē nettle < Greek knī́dē

Example Sentences

Sarcotheca, s�r-kō-thē′ka, n. the cup of a thread-cell: a cnida or nematophore.

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Nematocyst, nem′a-tō-sist, n. a cnida, one of the offensive organs of Cœlenterates, as jellyfish.

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Cnida, knī′da, n. one of the thread-cells of the Cœlenterata, whence is their power of stinging:—pl.

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