n. A young horse, or a young animal of the horse tribe: commonly and distinctively applied to the male, the young female being a filly.n. A person new to office or to the exercise of any art; a green hand: as, a team of colts at cricket.n. A cheat; a slippery fellow.n. A rope's end used for punishment; also, a piece of rope with something heavy at the end used as a weapon.n. The second after-swarm of bees.n. Synonyms Filly, etc. See pony.To frisk, frolic, or run at large, like a colt.[Cf. calve, v., 2, and cave, verb, II., 2.] To become detached, as a mass of earth from a bank or excavation; cave: with in.To befool; fool.To beat with a rope's end. See colt, n., 4.