verb (used without object)
to produce a sharp sound like that of a bullet striking a sheet of metal.
a pinging sound.

1850–55; imitative Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
ping (pɪŋ)
1.  a short high-pitched resonant sound, as of a bullet striking metal or a sonar echo
2.  computing a system for testing whether internet systems are responding and how long in milliseconds it takes them to respond
3.  (intr) to make such a noise
4.  (tr) computing to send a test message to (a computer or server) in order to check whether it is responding or how long it takes it to respond
[C19: of imitative origin]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Main Entry:  ping
Part of Speech:  v
Definition:  to get someone's attention with a sharp sound or other form of communication
Usage:  informal's 21st Century Lexicon
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Word Origin & History

1835, imitative of the sound of a bullet striking something sharply. Meaning "short, high-pitched electronic pulse" is attested from 1943. Verb use, in computer sense, is from at least 1981.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

ping definition

networking, tool
(ping, originally contrived to match submariners' term for the sound of a returned sonar pulse) A program written in 1983 by Mike Muuss (who also wrote TTCP) used to test reachability of destinations by sending them one, or repeated, ICMP echo requests and waiting for replies. Since ping works at the IP level its server-side is often implemented entirely within the operating system kernel and is thus the lowest level test of whether a remote host is alive. Ping will often respond even when higher level, TCP-based services cannot.
Sadly, Mike Muuss was killed in a road accident on 2000-11-20.
The term is also used as a verb: "Ping host X to see if it is up."
The Unix command "ping" can be used to do this and to measure round-trip delays.
The funniest use of "ping" was described in January 1991 by Steve Hayman on the Usenet group He was trying to isolate a faulty cable segment on a TCP/IP Ethernet hooked up to a NeXT machine. Using the sound recording feature on the NeXT, he wrote a script that repeatedly invoked ping, listened for an echo, and played back the recording on each returned packet. This caused the machine to repeat, over and over, "Ping ... ping ... ping ..." as long as the network was up. He turned the volume to maximum, ferreted through the building with one ear cocked, and found a faulty tee connector in no time.
Ping did not stand for "Packet InterNet Groper", Dave Mills offered this backronym expansion some time later.
See also ACK, ENQ, traceroute, spray.
The Story of the Ping Program (
Unix manual page: ping(8).
The Free On-line Dictionary of Computing, © Denis Howe 2010
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American Heritage
Abbreviations & Acronyms
Packet Internet Groper
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Between such evidence and these exclusionary advocates up on their soapbox, one's equity radar begins to ping.
Consider the political currency available to managers who ping off of the student catering you describe.
Please ping me if you want an accurate picture of the aviation fuel space.
Some of the regular dinosaurs tend to knock or ping when accelerating and they were advised to switch to premium.
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