radar gun

American  

noun

1. a small, handheld Doppler radar device used to measure the speed of vehicles or other moving objects.

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radar gun Scientific  

1. A usually hand-held device that measures the velocity of a moving object by sending out a continuous radio wave and measuring the frequency of reflected waves.

2. See more at Doppler effect

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Example Sentences

Striker Pence, a sophomore pitcher at Corona Santiago with a 100-mph fastball, will receive an endorsement deal from a radar gun company.

From Los Angeles Times

He wasn’t consistently hitting 100 mph on the radar gun or dotting the strike zone with his typically pristine command.

From Los Angeles Times

Coming off his second career Tommy John surgery this year, Ohtani immediately lit up the radar gun with 100-mph fastballs and amassed gaudy strikeout totals with a devastating sweeper.

From Los Angeles Times

The fastest hit 103.3 on the radar gun last Saturday, making it the hardest-thrown pitch by a Dodger since Statcast began tracking speed in 2015 and likely the fastest pitch in franchise history.

From Los Angeles Times

As a result Roberts said pitching coach Mark Prior and bullpen coach Josh Bard are making sure Henriquez understands there’s more to pitching that just lighting up the radar gun.

From Los Angeles Times