pup

noun
UK /pʌp/
US /pʌp/

A pup is a baby dog.

The pup wagged its tail and ran to the door.


OTHER MEANINGS

2. A young animal of certain other mammals, such as seals or wolves.

A seal pup rested on the icy shore.

3. A young person, especially one who is arrogant or inexperienced (informal).

That young pup thinks he knows everything.

4. A short form of puppy, used as a friendly term of address.

Come here, pup, and sit by me.