(idiomatic, sometimes mildly humorous) A medicinal pill which is very large in size and is therefore difficult for a person to swallow.

(idiomatic, dated) One who readily performs hard work or who voluntarily tolerates an adverse situation.

padlock (obsolete)

A spare horse being led by a servant or attendant. / A packhorse.

(UK) An early bicycle with no pedals or brakes; a draisienne.

plural of horse stance

A posture in Asian martial arts which takes its name from the position assumed when riding a horse.

(medicine, derogatory) An incompetent physician.

plural of horse doctor

An Arabian horse.