0 a large animal with four legs that people ride on or use for carrying things or pulling vehicles:
1 a tall piece of equipment that people jump over in gymnastics
2 → heroin
3 a large animal with four legs that people ride on and which, esp. in the past, was used for pulling vehicles and carrying loads:
He climbed onto his horse and set off at a relaxed trot down the lane.
My horse is a bit timid and is easily frightened by traffic.
It's a beautiful horse but a bit too frisky for an inexperienced rider.
