from
The Collaborative International Dictionary of English v.0.48
Helminthes \Hel*min"thes\, n. pl. [NL., fr. Gr. ?, ?, a worm.]
(Zool.)
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}.
[1913 Webster]
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}.
[1913 Webster]