Webster's 1913 Dictionary
NEMATOIDEA
Nem `a *toi "de *a, n. pl. Etym: [NL. , fr. gr. -oid.] (Zoöl.)
Defn: An order of worms, having a long, round, and generally smooth body; the roundworms. they are mostly parasites. Called also Nematodea, and Nematoda.
Note: The trichina, stomach worm, and pinworm of man belong to this group. See also Vinegar eel, under Vinegar, and Gapeworm.
NEMATOIDEAN
NEMATOIDEAN Nem `a *toid "e *an, a. & n. (Zoöl.)
Defn: Nematoid.