The young of the equine genus or horse kind of animals; -- sometimes distinctively applied to the male, filly being the female. Cf. Foal.
A young, foolish fellow. Shak.
A short knotted rope formerly used as an instrument of punishment in the navy. Ham. Nav. Encyc. Colt's tooth, an imperfect or superfluous tooth in young horses. -- To cast one's colt's tooth, to cease from youthful wantonness. "Your colt's tooth is not cast yet." Shak. -- To have a colt's tooth, to be wanton. Chaucer.
To frisk or frolic like a colt; to act licentiously or wantonly. [Obs.] They shook off their bridles and began to colt. Spenser.
To horse; to get with young. Shak.
To befool. [Obs.] Shak.
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