Definitions

1. interjection

a sudden and violent explosion or impact, often accompanied by a loud noise

“The firework let out a big pow and lit up the sky.”

2. verb

to strike or hit something with a loud noise, often with a lot of force

“The boxer powed his opponent with a strong punch.”

3. noun

a loud, explosive sound, often caused by an impact or explosion

“The pow of the gunshot startled everyone in the room.”