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Webster 1913 Edition
Helminthes
‖
Hel-min′thes
,Noun.
pl.
[NL., fr. Gr. [GREEK], [GREEK], 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
. ☞ 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
.