Huff-Duff

[huhf-duhf]
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noun
  1. 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 of Huff-Duff

vocalization of the abbreviation h.f.d.f. for high-frequency direction finder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for huff-duff

GPS, huff-duff