definition of
ping

[1] #1 ping v. hit with a pinging noise; "The bugs pinged the lamp shade". wn

[2] #2 ping n. [Ping, Ping River] a river in western Thailand; a major tributary of the Chao Phraya. wn

[3] #3 ping n. a sharp high-pitched resonant sound (as of a sonar echo or a bullet striking metal). wn

[4] #4 ping v. [pink, knock] 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". wn

[5] #5 ping v. make a short high-pitched sound; "the bullet pinged when they struck the car". wn