direction finder

noun

: a radio receiving device for determining the direction of incoming radio waves that typically consists of a coil antenna rotating freely on a vertical axis

Example Sentences

Recent Examples on the Web The bowling pins are essentially radio direction finders for planes. David Garrick, San Diego Union-Tribune, 18 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'direction finder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1913, in the meaning defined above

Time Traveler
The first known use of direction finder was in 1913

Dictionary Entries Near direction finder

Cite this Entry

“Direction finder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/direction%20finder. Accessed 1 Dec. 2022.

More from Merriam-Webster on direction finder

Love words? Need even more definitions?

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


The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ