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.

Houyhnhnm beginner birdling boot boy brood mare bub bubba buck bud buddy calf catling charger chick chickling chicky courser critter cub dobbin dogie duckling entire entire horse equine fawn fellow filly fledgling foal freshman fryer gelding gosling hobbledehoy horse kid kit kitten lad laddie lamb lambkin litter manchild mare master mount muchacho nag neophyte nest nestling newcomer novitiate piglet pigling polliwog prancer pullet pup puppy rookie schoolboy shoat sonny sonny boy stallion steed stud studhorse tadpole tarpan top horse tyro war-horse weaner whelp wild horse yeanling young man youth