A hard, projecting, and usually pointed organ, growing upon the heads of certain animals, esp. of the ruminants, as cattle, goats, and the like. The hollow horns of the Ox family consist externally of true horn, and are never shed.
The antler of a deer, which is of bone throughout, and annually shed and renewed.
Any natural projection or excrescence from an animal, resembling or thought to resemble a horn in substance or form;
An incurved, tapering and pointed appendage found in the flowers of the milkweed (Asclepias).
Something made of a horn, or in resemblance of a horn
A drinking cup, or beaker, as having been originally made of the horns of cattle.
The tough, fibrous material of which true horns are composed, being, in the Ox family, chiefly albuminous, with some phosphate of lime; also, any similar substance, as that which forms the hoof crust of horses, sheep, and cattle; as, a spoon of horn.
Horn is the covering over a bony growth on the head of a cow. It is composed of the same material as finger nails. It can be moulded, or split into thin layers.
the hollow horn of an animal (without the core) used as a vessel or a musical instrument, with senses thence developed; a non-deciduous excrescence, often curved and pointed, consisting of an epidermal sheath growing about a bony core, on the head of certain mammals, as cattle, sheep, goats, antelopes, etc., and serving as a weapon or defence
Horn (button) - Tan/khaki swirls of light colors that resemble the cross-cut textures found in the horn of an antelope.
one of the bony outgrowths on the heads of certain ungulates
any outgrowth from the head of an organism that resembles a horn
the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails
An appendage extending from the hood in the milkweed family (Asclepiadaceae).
One of a pair of hard, permanent structures on the frontal bones of the head in members of the family Bovidae. True horns consist of a bony core covered with a sheath of keratinous material. 'Horn' is also used to refer to the keratinous growth on the midline of the nose of the Rhinocerotidae, although these are not true horns due to the lack of a bony core.
A frontal appendage with a permanent bony core covered with compressed hair like material (keratin); the covering is not shed in bovids but is shed annually in antilocaprids.
Horn is an organic substance made mostly of the fibrous protein called keratin (our nails, hair, bull's horns, feather quills, and horse hoofs are also made of keratin). Some dinosaurs, like Triceratops, had bone-like "horns" that may have been covered by a layer of keratin (horn) when they were alive. Since keratin does not fossilize well, we do not know if horn covered the bone and if so, how much it was.
"A non-deciduous excrescence, often curved and pointed, consisting of an epidermal sheathe growing over a bony core and on the heads of animals serving as a weapon of offense or defense." ("Oxford English Dictionary," 1971.)
n. one of the hard, usually permanent structure projecting from the head of certain mammals, such as cattle, sheep, goats, or antelopes, consisting of a bony core covered with a sheath of keratinous material.
A horn is a hollow, pointed projection of the skin of various animals, consisting mainly of keratin as well as other proteins. True horns are found only among the ruminant artiodactyls, in the families Antilocapridae (pronghorn) and Bovidae (cows, buffalo, yaks, goats, antelope etc.). Those animals have one or two pairs of horns, which usually have a spiral shape.