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flak jacket

noun

Simple Definition of flak jacket

  • : a special jacket that is worn by soldiers, police officers, etc., for protection against flak or bullets

Source: Merriam-Webster's Learner's Dictionary

Full Definition of flak jacket

  1. :  a jacket containing metal plates for protection against flak; broadly :  a bulletproof vest —called also flak vest

1950

First Known Use of flak jacket

1950


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