(gymnastics) An apparatus with an upholstered body but no pommels; since about 2000 replaced with vault, also called vaulting table.

Alternative form of horse hockey

(dated, nautical) The period of work on board ship for which the seamen have been paid in advance (usually a month's wages), the end of this term being celebrated by parading a straw horse about the decks.

(Greek mythology) The hollow wooden horse by which the Greeks allegedly gained access to Ilium/Troy during the Trojan War.

(by extension) A subversive person or device placed within the ranks of the enemy. / (computer security) A malicious program that is disguised as legitimate software.

Alternative form of Trojan-horse

Alternative form of horsefly

(obsolete) The walrus. / Any of various small marine fish of the genus Hippocampus that have a horselike head and swim upright.

A horse trainer who adopts a sympathetic view of the motives, needs, and desires of the horse, based on modern equine psychology.

(slang, euphemistic) Horseshit, nonsense.