'Nematoda' definitions:
Definition of 'Nematoda'
(from WordNet)
noun
Unsegmented worms: roundworms; threadworms; eelworms [syn: Nematoda, phylum Nematoda, Aschelminthes, phylum Aschelminthes]
Definition of 'Nematoda'
From: GCIDE
- Nematoda \Nem`a*to"da\, prop. n. pl. (Zool.) A phylum of worms, having a long, round, and generally smooth body; the roundworms. They are mostly parasites, in plants and animals, but some are free-living in soil or water. Also called Nematoidea. [1913 Webster +PJC]
Definition of 'Nematoda'
From: GCIDE
- Nematoidea \Nem`a*toi"de*a\, prop. n. pl. [NL., fr. Gr. nh^ma, nh`matos, thread + -oid.] (Zool.) 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. [1913 Webster +PJC]
- Note: The trichina, stomach worm, and pinworm of man belong to this group. See also Vinegar eel, under Vinegar, and Gapeworm. [1913 Webster]