from The Century Dictionary.

  • An order of Nemathelminthes, or class of Vermes, having a mouth and an alimentary canal and separate sexes, and being usually parasitic; the nematoid worms; the roundworms and threadworms.

from the GNU version of the Collaborative International Dictionary of English.

  • proper noun plural (Zoöl.) A phylum of worms, having a long, round, and generally smooth body; the roundworms. Called also Nematodea, and more commonly Nematoda. Formerly, it was classed as a taxonomic order.


Sorry, no etymologies found.


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  • Small specimens have been found beneath the tunica conjunctiva of the eye; and one species of the same genus of _Nematoidea_ infests the cavity of the eye itself. [

    Sketches of the Natural History of Ceylon James Emerson Tennent 1836


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