direction finder


Definition of direction finder

: 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

Examples of direction finder in a Sentence

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.

First Known Use of direction finder

1913, in the meaning defined above

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Time Traveler for direction finder

Time Traveler

The first known use of direction finder was in 1913

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Dictionary Entries Near direction finder

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Cite this Entry

“Direction finder.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2021.

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