1. (n.) The young of the equine genus or horse kind of animals; -- sometimes distinctively applied to the male, filly being the female. Cf. Foal.

2. (n.) A young, foolish fellow.

3. (n.) A short knotted rope formerly used as an instrument of punishment in the navy.

4. (v. i.) To frisk or frolic like a colt; to act licentiously or wantonly.

5. (v. t.) To horse; to get with young.

6. (v. t.) To befool.