Ping

A high-pitched, short and somewhat sharp sound.

"My car used to make an odd ping, but after the last oil change it went away."

(submarine navigation) A pulse of high-pitched or ultrasonic sound whose echoes provide information about nearby objects and vessels.

"The submarine sent out a ping and got an echo from a battleship."

A packet which a remote host is expected to echo, thus indicating its presence.

"The network is overloaded from all the pings going out."

An email or other message sent requesting acknowledgement.

"I sent a ping to the insurance company to see if they received our claim."

To make a high-pitched, short and somewhat sharp sound.

"My car was pinging until my last oil change."

(submarine navigation) To emit a signal and then listen for its echo in order to detect objects.

To send a packet in order to determine whether a host is present, particularly by use of the ping utility.

"I'm pinging their server."

(by extension) To send an email or other message to someone in hopes of eliciting a response.

"I'll ping the insurance company again to see if they've received our claim."