Cnidarian Definition

nī-dârē-ən
noun
Any of a phylum (Cnidaria) of invertebrate animals, mainly marine, including jellyfishes, hydrozoans, and anthozoans, characterized by stinging cells and a saclike body cavity with a single opening for ingesting food and eliminating wastes; coelenterate.
Webster's New World
Synonyms:
coelenterate

Other Word Forms of Cnidarian

Noun

Singular:
cnidarian
Plural:
cnidarians

Origin of Cnidarian

  • New Latin Cnīdāria phylum name from Greek knīdē sea nettle

    From American Heritage Dictionary of the English Language, 5th Edition

  • From New Latin cnidaria +‎ -an

    From Wiktionary

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