a large strong animal that people ride and use for pulling heavy things [↪ pony, equine, equestrian]:
a horse and cart
Lee had never ridden a horse before.
2 British English informal
Jim likes a bet on the horses.
a piece of sports equipment in a gymnasium that people jump over
if you hear or get information straight from the horse's mouth, you are told it by someone who has direct knowledge of it
5 British English
the process of matching people with suitable jobs or activities
a competition or an election that only two etc competitors can win
7, a horse of another color American English
something that is completely different from another thing
sensible judgement gained from experience [= common sense]
9 [uncountable] old-fashioned informal