whelp

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A young offspring of a mammal, such as a dog or wolf.
2. n. A child; a youth.
3. n. An impudent young fellow.
4. n. A tooth of a sprocket wheel.
5. n. Nautical Any of the ridges on the barrel of a windlass or capstan.
6. v. To give birth to whelps or a whelp.
7. v. To give birth to (whelps or a whelp).

Century Dictionary and Cyclopedia

1. n. The young of the dog, wolf, lion, tiger, bear, seal, etc., but especially of the dog; a cub: sometimes applied to the whole canine species, whether young or old.
2. n. A youth; a cub; a puppy: a term of contempt.
3. n. A kind of ship.
4. n. Nautical, one of several longitudinal projections from the barrel of a capstan, windlass, or winch, provided to take the strain of the chain or rope which is being hove upon, and afford a firmer hold.
5. n. One of the teeth of a sprocket-wheel.
6. To bring forth young, as the female of the dog and various beasts of prey.
7. To bring forth, as a bitch, lioness, and many beasts of prey; hence, to give birth to; originate: used in contempt.

Wiktionary

1. n. 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. n. An insolent (impudent, despised) youth, a mere child or youth.
3. n. obsolete A kind of ship.
4. n. One of several wooden strips to prevent wear on a windlass on a clipper-era ship.
5. n. A tooth on a sprocket wheel (compare sprocket, def. 2; cog, def. 1).
6. v. transitive, intransitive (of she-dog, she-wolf, vixen, etc.) To give birth.

GNU Webster's 1913

1. n. One of the young of a dog or a beast of prey; a puppy; a cub.
2. n. A child; a youth; -- jocosely or in contempt.
3. n. (Naut.) One of the longitudinal ribs or ridges on the barrel of a capstan or a windless; -- usually in the plural.
4. n. One of the teeth of a sprocket wheel.
5. v. To bring forth young; -- said of the female of the dog and some beasts of prey.
6. v. To bring forth, as cubs or young; to give birth to.

WordNet 3.0

1. n. young of any of various canines such as a dog or wolf
2. v. birth.