(nautical) a horn on a floating mine which, upon contact, releases an electrolyte that makes an electrical connection and initiates the explosion

Anhima cornuta, a South American bird, member of the family Anhimidae, with black upper parts, head and breast and white speckles on the crown, throat and wing coverts.

A drinking-vessel made from the horn of an animal.

(music) a woodwind instrument similar to an oboe, but larger and pitched a fifth lower

(military) In naval mine warfare, a switch in a mine operated by a projecting spike.

(idiomatic) To come into conflict.

Alternative spelling of hunting horn

(music) A bugle, being either simply curved (especially in heraldry), or having from one (in e.g. some Roman horns) to three (in many modern musical horns) spirals, on which signals are blown during a hunt.

(idiomatic) The front bumper of a car when used to bump another vehicle, usually to inform the driver of the other vehicle that the first car would like to pass.

plural of horn dog