A high-pitched, short and somewhat sharp sound.
(submarine navigation) A pulse of high-pitched or ultrasonic sound whose echoes provide information about nearby objects and vessels.
A packet which a remote host is expected to echo, thus indicating its presence.
An email or other message sent requesting acknowledgement.
Latency.
A means of highlighting a feature on the game map so that allied players can see it.
(WMF jargon) A notification.
To make a high-pitched, short and somewhat sharp sound.
(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.
(by extension) To send an email or other message to someone in hopes of eliciting a response.
To flick.
To bounce.
To cause something to bounce.
To call out audibly.
To penalize.