Definitions for ping

(a river in western Thailand; a major tributary of the Chao Phraya)

(a sharp high-pitched resonant sound (as of a sonar echo or a bullet striking metal))

(hit with a pinging noise; "The bugs pinged the lamp shade")

(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")

(make a short high-pitched sound; "the bullet pinged when they struck the car")

(contact, usually in order to remind of something; "I'll ping my accountant

(send a message from one computer to another to check whether it is reachable and active; "ping your machine in the office")