Helminthes
Pronunciation : Hel*min"thes
Part of Speech : n.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: One of the grand divisions or branches of the animal kingdom. It is a large group including a vast number of species, most of which are parasitic. Called also Enthelminthes, Enthelmintha.
Note: The following classes are included, with others of less importance: Cestoidea (tapeworms), Trematodea (flukes, etc.), Turbellaria (planarians), Acanthocephala (thornheads), Nematoidea (roundworms, trichina, gordius), Nemertina (nemerteans). See Plathelminthes, and Nemathelminthes.
pl.
Source : Webster's Unabridged Dictionary, 1913