Definition of pinger
: a device for producing pulses of sound (as for marking an underwater site or detecting an underwater object)
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The starstruck researchers took blood samples, checked the shark for parasites, implanted an acoustic pinger in its gut, and even performed an ultrasound—all within 15 minutes and without tranquilizers or anesthetics.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pinger.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of pinger
1957
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