Helm"ed (?), a. Covered with a helmet.
The helmed cherubim Are seen in glittering ranks.
Milton.
Hel"met (?), n. [OF. helmet, a dim of helme, F. heaume; of Teutonic
origin; cf. G. helm, akin to AS. & OS. helm, D. helm, helmet, Icel.
hjlmr, Sw. hjelm, Dan. hielm, Goth. hilms; and prob. from the root of
AS. helan to hide, to hele; cf. also Lith. szalmas, Russ. shleme, Skr.
Áarman protection. √17. Cf. Hele, Hell, Helm a helmet.] 1.
(Armor) A defensive covering for the head. See Casque, Headpiece,
Morion, Sallet, and Illust. of Beaver.
2. (Her.) The representation of a helmet over shields or coats of arms,
denoting gradations of rank by modifications of form.
3. A helmet-shaped hat, made of cork, felt, metal, or other suitable
material, worn as part of the uniform of soldiers, firemen, etc., also
worn in hot countries as a protection from the heat of the sun.
4. That which resembles a helmet in form, position, etc.; as: (a)
(Chem.) The upper part of a retort. Boyle. (b) (Bot.) The hood-formed
upper sepal or petal of some flowers, as of the monkshood or the
snapdragon. (c) (Zoˆl.) A naked shield or protuberance on the top or
fore part of the head of a bird.
Helmet beetle (Zoˆl.), a leaf- eating beetle of the family
ChrysomelidÊ, having a short, broad, and flattened body. Many species
are known. -- Helmet shell (Zoˆl.), one of many species of tropical
marine univalve shells belonging to Cassis and allied genera. Many of
them are large and handsome; several are used for cutting as cameos,
and hence are called cameo shells. See King conch. -- Helmet shrike
(Zoˆl.), an African wood shrike of the genus Prionodon, having a large
crest.
Hel`met*ed (?), a. Wearing a helmet; furnished with or having a helmet
or helmet-shaped part; galeate.
Hel"met-shaped` (&?;), a. Shaped like a helmet; galeate. See Illust. of
Galeate.
Hel"minth (?), n. [Gr. &?;, &?;, a worm.] (Zoˆl.) An intestinal worm,
or wormlike intestinal parasite; one of the Helminthes.
Hel*min"tha*gogue (?), n. [Gr. &?; a worm + &?; to drive.] (Med.) A
vermifuge.
||Hel*min"thes (?), n. pl. [NL., fr. Gr. &?;, &?;, a worm.] (Zoˆl.) 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.
||Hel`min*thi"a*sis (?), n. [NL., fr. Gr. &?; to suffer from worms, fr.
||&?;, &?;, a worm.] (Med.) A disease in which worms are present in
||some part of the body.
Hel*min"thic (?), a. [Cf. F. helminthique.] Of or relating to worms, or
Helminthes; expelling worms. -- n. A vermifuge; an anthelmintic.
Hel*min"thite (?), n. [Gr. &?;, &?;, a worm.] (Geol.) One of the
sinuous tracks on the surfaces of many stones, and popularly considered
as worm trails.
Hel*min"thoid (?), a. [Gr. &?;, &?;, a worm + -oid.] Wormlike;
vermiform.
{ Hel*min`tho*log"ic (?), Hel*min`tho*log"ic*al, } a. [Cf. F.
helminthologique.] Of or pertaining to helminthology.
Hel`min*thol"o*gist (?), n. [Cf. F. helminthologiste.] One versed in
helminthology.
Hel`min*thol"o*gy (?), n. [Gr. &?;, &?;, a worm + -logy: cf. F.
helminthologie.] The natural history, or study, of worms, esp.
parasitic worms.
Helm"less (?), a. 1. Destitute of a helmet.