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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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