pinger
/ˈpɪŋər/
noun
- A device that makes a short, high-pitched sound, used for signaling or locating something.
- The scientist used a pinger to track the whale's movements.
- He attached a pinger to his keys so he could find them when lost.
- The submarine's pinger helped rescuers find it underwater.
- A small, often electronic device that sends a signal or alert, such as a beeper or a notification sounder.
- The hospital staff carry a pinger that alerts them to emergencies.
- My phone's pinger went off to remind me of the meeting.
- The delivery driver's pinger buzzed when a new order came in.
Synonyms