Pup

Pup means the babies of several species of animals, such as:
Bat
Dog
Other members of the canine family (a group of animals)
Fox
Mouse
Pig
Rat
Ring-tailed lemur
Seal
Shark
Stingray

Pup could also mean:

Sopwith Pup, a biplane fighter aircraft with only one seat. It was used by the British in World War I