A horizontal component of a structure. / (geology) Horizon. / A Tasmanian shrub or small tree whose main trunk tends to lean over and grow horizontally, Anodopetalum biglandulosum

(astrophysics) The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light. / (by extension) A point of no return.

(idiomatic) An apparent gift, that has substantial associated costs or drawbacks, especially a gift that does not fit perfectly with the recipient's wants or needs.

Hard or bony, like an animal's horn. / Having the hard consistency and pale colour of an animal's horn. / Having horns. / (slang, informal) Sexually aroused. / (slang, informal) Sexually arousing.

(archaic) Bristling, rough, rugged. / Causing horror or dread. / Offensive, disagreeable, abominable, execrable.

A sport where horses and their jockeys compete to race around a track the fastest.

A competitive race for horses carrying jockeys; often the subject of betting / An exciting and arduous competition (as in a political campaign).

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

(transitive, of an animal) To assault with the horns. / (transitive) To furnish with horns. / (transitive, slang, obsolete) To cuckold.

The study of time, and the art, science and technology of timekeeping and timekeepers (such as clocks, watches and sundials). / (Christianity) The office-book of the Greek Church for the canonical hours.