1. [noun] A high-pitched, short and somewhat sharp sound.
2. [noun] (submarine navigation) A pulse of high-pitched or ultrasonic sound whose echoes provide information about nearby objects and vessels.
3. [noun] (networking) A packet which a remote host is expected to echo, thus indicating its presence.
4. [noun] (text messaging) (Internet) An email or other message sent requesting acknowledgement.
5. [noun] (networking) (Can we verify([1]) this sense?) Latency.
6. [verb] To make a high-pitched, short and somewhat sharp sound.
7. [verb] (submarine navigation) To emit a signal and then listen for its echo in order to detect objects.
8. [verb] (networking) To send a packet in order to determine whether a host is present, particularly by use of the ping utility.
9. [verb] (networking) To send a network packet to another host and receive an acknowledgement in return.
10. [verb] To send an email or other message to someone in hopes of eliciting a response.
11. [verb] (colloquial) To flick.
12. [verb] (colloquial) (sports) (intransitive) To bounce.
13. [verb] (colloquial) (sports) (transitive) To cause something to bounce.
14. [verb] (colloquial) (sports) To call out audibly.
15. [noun] A river in western Thailand; a major tributary of the Chao Phraya.
16. [noun] A sharp high-pitched resonant sound (as of a sonar echo or a bullet striking metal).
17. [verb] Hit with a pinging noise; 'The bugs pinged the lamp shade'.
18. [verb] Sound like a car engine that is firing too early; 'the car pinged when I put in low-octane gasoline'; 'The car pinked when the ignition was too far retarded'.
19. [verb] Make a short high-pitched sound; 'the bullet pinged when they struck the car'.
20. [verb] Contact, usually in order to remind of something; 'I'll ping my accountant--April 15 is nearing'.
21. [verb] Send a message from one computer to another to check whether it is reachable and active; 'ping your machine in the office'.
