pinger
UK /ˈpɪŋ.ə(ɹ)/ · US /ˈpɪŋ.ɚ/ noun
Forms pingers
- noun A device that emits a short, high-pitched sound burst, such as in sonar or other echo location systems. “We couldn't take the boat into the shallows near the reef because our sonar pinger was broken.”
- noun A device that periodically emits a signal that can be monitored to permit movement tracking. “The scientist attached a pinger to the carapace of the sea turtle to track its migration.”
- noun A computer program that sends a ping message over a network. “Some people like fancy pingers with extra features, but I always use the default ping application.”
- noun A user of a ping program; one who pings. “Every time we replace the main page, we get flooded with pingers making sure our web site is still there.”
- noun (slang) An illicit drug, especially ecstasy, taken for recreational purposes. “That was a great party. Everyone took a pinger or two.”
Etymology
From ping + -er.
Sources: Wiktionary — from the Wiktionary entry “pinger”, CC BY-SA 4.0. Details