flak jacket

noun

: a jacket containing metal plates for protection against flak

broadly : a bulletproof vest

called also flak vest

Examples of flak jacket in a Sentence

Recent Examples on the Web

The 44-year-old former pop singer, who claims he has been beaten, tasered, and attacked with teargas while campaigning against Museveni, is now rarely seen in public without a flak jacket and helmet. —Nimi Princewill, CNN Money, 14 Jan. 2026

Kyagulanyi moves about in a ballistic helmet and flak jacket. —Charles Onyango-Obbo, semafor.com, 12 Jan. 2026

And snap after snap, Indianapolis Colts quarterback Philip Rivers — hiding his dad-bod pot belly under a flak jacket that looked two sizes too small — would shift a player, gauge the Niners’ defensive response, and bark out a new play. —Dieter Kurtenbach, Mercury News, 23 Dec. 2025

As McDaniel mentioned, Achane did in fact don the red jersey as well as a flak jacket during Thursday’s practice. —Miami Herald, 11 Dec. 2025

Word History

First Known Use

1950, in the meaning defined above

Rhymes for flak jacket

• straitjacket
• bracket
• packet
• racket
• racquet