{Horse emmet} (Zo["o]l.), the horse ant.
{Horse finch} (Zo["o]l.), the chaffinch. [Prov. Eng.]
{Horse gentian} (Bot.), fever root.
{Horse iron} (Naut.), a large calking iron.
{Horse latitudes}, a space in the North Atlantic famous for
calms and baffling winds, being between the westerly winds
of higher latitudes and the trade winds. --Ham. Nav.
Encyc.
{Horse mackrel}. (Zo["o]l.)
(a) The common tunny ({Orcynus thunnus}), found on the
Atlantic coast of Europe and America, and in the
Mediterranean.
(b) The bluefish ({Pomatomus saltatrix}).
(c) The scad.
(d) The name is locally applied to various other fishes,
as the California hake, the black candlefish, the
jurel, the bluefish, etc.
{Horse marine} (Naut.), an awkward, lubbery person; one of a
mythical body of marine cavalry. [Slang]
{Horse mussel} (Zo["o]l.), a large, marine mussel ({Modiola
modiolus}), found on the northern shores of Europe and
America.
{Horse nettle} (Bot.), a coarse, prickly, American herb, the
{Solanum Carolinense}.
{Horse parsley}. (Bot.) See {Alexanders}.
{Horse purslain} (Bot.), a coarse fleshy weed of tropical
America ({Trianthema monogymnum}).
{Horse race}, a race by horses; a match of horses in running
or trotting.
{Horse racing}, the practice of racing with horses.
{Horse railroad}, a railroad on which the cars are drawn by
horses; -- in England, and sometimes in the United States,
called a {tramway}.
{Horse run} (Civil Engin.), a device for drawing loaded
wheelbarrows up an inclined plane by horse power.
{Horse sense}, strong common sense. [Colloq. U.S.]
{Horse soldier}, a cavalryman.
{Horse sponge} (Zo["o]l.), a large, coarse, commercial sponge
({Spongia equina}).
{Horse stinger} (Zo["o]l.), a large dragon fly. [Prov. Eng.]
{Horse sugar} (Bot.), a shrub of the southern part of the
United States ({Symplocos tinctoria}), whose leaves are
sweet, and good for fodder.
{Horse tick} (Zo["o]l.), a winged, dipterous insect
({Hippobosca equina}), which troubles horses by biting
them, and sucking their blood; -- called also {horsefly},
{horse louse}, and {forest fly}.
{Horse vetch} (Bot.), a plant of the genus {Hippocrepis} ({H.
comosa}), cultivated for the beauty of its flowers; --
called also {horsehoe vetch}, from the peculiar shape of
its pods.
{Iron horse}, a locomotive. [Colloq.]
{Salt horse}, the sailor's name for salt beef.
{To look a gift horse in the mouth}, to examine the mouth of
a horse which has been received as a gift, in order to
ascertain his age; -- hence, to accept favors in a
critical and thankless spirit. --Lowell.
{To take horse}.
(a) To set out on horseback. --Macaulay.
(b) To be covered, as a mare.
(c) See definition 7 (above).
Note: Of these flies there are numerous species, both in
Europe and America. They have a large proboscis with
four sharp lancets for piercing the skin. Called also
{breeze fly}. See Illust. under {Diptera}, and {Breeze
fly}.
2. (Zo["o]l.) The horse tick or forest fly ({Hippobosca}).