The male of some antlered animals, especially the fallow deer, roe deer, reindeer, and antelopes. A vaulting horse. A vertical jump performed by a horse, with the head lowered, back arched, and back legs thrown out behind. A fashionable and typically high-spirited young man. A black or American Indian man. An oxford shoe made of buckskin. A dollar. An article placed as a reminder before a player whose turn it is to deal at poker. (of a horse) to perform a buck. Oppose or resist (something that seems oppressive or inevitable). Make (someone) more cheerful. Lowest of a particular rank.