flak jacket
noun
U.S. Air Force.
an armored garment made of steel plates covered by a padded fabric, designed to protect vital parts of the body from shrapnel.
a protective vest, especially one that is bulletproof.
Also called
flak vest.
Origin of flak jacket
First recorded in 1955–60
Words nearby flak jacket
flail,
flail chest,
flail joint,
flair,
flak,
flak jacket,
flak suit,
flake,
flake out,
flake tool,
flake white
British Dictionary definitions for flak jacket
flak jacket
noun
a reinforced sleeveless jacket for protection against gunfire or shrapnel worn by soldiers, policemen, etc