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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 The cover features a cartoon image of Franklin wearing a helmet and flak jacket (under his shell, weirdly) while firing a rocket propelled grenade from the open door of a military helicopter. James Folta, Literary Hub, 2 Dec. 2025 The tradition—with the old flak jacket, and with the new yellow number—is for an outgoing secretary to leave notes in the pocket for her successors. Jane Thier, Fortune, 30 Oct. 2024 When the troops reached him, his body was found with a weapon, a flak jacket and 40,000 shekels ($10,731.63) as well as various documents that suggested he was forced to shift location as the Israeli search closed around him. James MacKenzie, Reuters, 18 Oct. 2024 See All Example Sentences for flak jacket

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of flak jacket was in 1950

Browse Nearby Words

Cite this Entry

“Flak jacket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flak%20jacket. Accessed 21 Dec. 2025.

More from Merriam-Webster on flak jacket

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!