ping

To send a quick, informal message or notification to someone.

"Just ping me an email later."

To make a short, sharp, high-pitched metallic sound.

"The coin pinged off the floor."

To send a signal to a computer or server to check its status.

"Can you ping the server for me?"

A short, sharp, high-pitched metallic sound.

"We heard a faint ping from the kitchen."

A signal sent across a computer network to check connectivity.

"The network administrator sent a ping."