| Noun | 1. | genus Equus - type genus of the Equidae: only surviving genus of the family Equidaemammal genus - a genus of mammals Equidae, family Equidae - horses; asses; zebras; extinct animals Equus caballus, horse - solid-hoofed herbivorous quadruped domesticated since prehistoric times donkey, Equus asinus - domestic beast of burden descended from the African wild ass; patient but stubborn mule - hybrid offspring of a male donkey and a female horse; usually sterile hinny - hybrid offspring of a male horse and a female donkey or ass; usually sterile; "a hinny has a gentler disposition than a mule" zebra - any of several fleet black-and-white striped African equines Equus quagga, quagga - mammal of South Africa that resembled a zebra; extinct since late 19th century |