huffduff

Huff-Duff

[huhf-duhf]
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.

Origin:
vocalization of the abbreviation h.f.d.f. for high-frequency direction finder

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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