radar detector

plural radar detectors

Definition of radar detector

1 : a device designed to alert the operator of a vehicle when it has been targeted by a radar beam (as from a police officer's radar gun) After fastening a radar detector to the windshield, he slaloms through traffic at illegal speeds for the seven-mile trip to Chrysler's Styling Dome …— Alex Taylor III He chuckled about the radar detector in his big station wagon … saying he never drove faster than 60 anyway.— Stephan Wilkinson
2 : radar gun The officer's radar detector recorded the vehicle speed between 55 and 60 mph, with the speed reaching 70 mph at one point on the 55 mph-limit roadway.— Robin Baumgarn

First Known Use of radar detector

1960, in the meaning defined at sense 1

Keep scrolling for more

Learn More About radar detector

Time Traveler for radar detector

Time Traveler

The first known use of radar detector was in 1960

See more words from the same year

Dictionary Entries Near radar detector

radar cruise control

radar detector

radar gun

See More Nearby Entries 

Statistics for radar detector

Cite this Entry

“Radar detector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radar%20detector. Accessed 18 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!