Noun

(en noun)

A species of moth,

* {{quote-news, year=2007, date=March 27, author=John Schwartz, title=In the Lab: Robots That Slink and Squirm, work=New York Times citation

, passage=The project, part of a wave of interest in life-imitating robotics, is a collaboration of seven Tufts faculty members from five departments in the schools of engineering and arts and sciences. Dr. Trimmer comes from the field of neurobiology, where he has been studying the tobacco hornworm , Manduca sexta, since 1990. }}

Noun

(countable) A hard growth of keratin that protrudes from the top of the head of certain animals, usually paired.

Any similar real or imaginary growth or projection such as the elongated tusk of a narwhal, the eyestalk of a snail, the pointed growth on the nose of a rhinoceros, or the hornlike projection on the head of a demon or similar.

An antler.

(uncountable) The hard substance from which animals' horns are made, sometimes used by man as a material for making various objects.

an umbrella with a handle made of horn

An object whose shape resembles a horn, such as cornucopia, the point of an anvil, or a vessel for gunpowder or liquid.

* Thomson

The moon / Wears a wan circle round her blunted horns .

* Mason

horns of mead and ale

# The high pommel of a saddle; also, either of the projections on a lady's saddle for supporting the leg.

# (architecture) The Ionic volute.

# (nautical) The outer end of a crosstree; also, one of the projections forming the jaws of a gaff, boom, etc.

# (carpentry) A curved projection on the fore part of a plane.

# One of the projections at the four corners of the Jewish altar of burnt offering.

#* Bible, 1 Kings ii. 28

Joab caught hold on the horns of the altar

(countable) Any of several musical wind instruments.

(countable) An instrument resembling a musical horn and used to signal others.

hunting horn

(countable) A loud alarm, especially one on a motor vehicle.

(countable) A conical device used to direct waves.

antenna horn

loudspeaker horn

(informal, countable) Generally, any brass wind instrument.

(slang, countable, from the horn-shaped earpieces of old communication systems that used air tubes) A telephone.

(uncountable, coarse, slang, definite article) An erection of the penis.

(countable) A peninsula or crescent-shaped tract of land. "to navigate around the horn ."

(countable) A diacritical mark that may be attached to the top right corner of the letters o' and '''u''' when writing in Vietnamese, thus forming '''?''' and ' ? .

(botany) An incurved, tapering and pointed appendage found in the flowers of the milkweed (Asclepias ).