"pings" in the noun sense
1. Ping, Ping River
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)
"pings" in the verb sense
hit with a pinging noise
"The bugs pinged the lamp shade"
2. pink, ping, 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"
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"
Source: WordNet® (An amazing lexical database of English)
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