Pooch (noun)

A dog, especially a small or pet one.

Origin:

Early 20th century: of unknown origin.

Examples:

1. He walked his pooch in the park every morning.
2. The pooch barked at the mailman.
3. She loved to cuddle with her pooch on the couch.
4. The pooch wagged its tail excitedly.
5. The pooch chased after its ball in the backyard.