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

(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) To come into conflict.

Alternative spelling of hunting horn

(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.

Third-person singular simple present indicative form of put horns on

(Wicca) The second major supernatural figure in the Wiccan religion, a triune god equal to the Goddess, split into the aspects of the Father, Master, and the Sage.

(radio) A microwave antenna consisting of an open waveguide of increasing size towards the aperture

plural of drinking-horn

(US) A lark, Eremophila alpestris, with distinctive facial markings.