Synonyms

Huff-Duff

American

[huhf-duhf] / ˈhʌfˌdʌf /

noun

a method used by the Allies in World War II for locating enemy submarines and other naval or land targets through simultaneous bearings on their radio transmissions.

Etymology

Origin of Huff-Duff

Vocalization of the abbreviation h.f.d.f. for high-frequency direction finder

Example Sentences

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See Examples For:

Huff-Duff

Its communications systems were supplying information to German submarines, and its American factories were assembling "Huff-Duff," the High Frequency Direction Finder used by the Allies to save their ships from German torpedoes.

From Time Magazine Archive

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023