Whelp

noun

1. A young offspring of a canid (ursid, felid, pinniped), especially of a dog or a wolf, the young of a bear or similar mammal (lion, tiger, seal); a pup, wolf cub.
2. An insolent youth; a mere child.
3. A kind of ship.
4. One of several wooden strips to prevent wear on a windlass on a clipper-era ship.
5. A tooth on a sprocket wheel (compare sprocket and cog).