a domesticated or wild, perissodactylous mammal (Equus caballus), raised in many breeds, having a large body and head, four usually long, thin legs, and a long, flowing tail: horses have been ridden, used to pull loads, etc. since ancient times
the full-grown male of the horse; gelding or stallion
anything like a horse in that a person sits, rides, or is carried on it<LI sizset="17" sizcache="5">a device, esp. a frame with legs, to support something; specif.,