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tin hat

American  

noun

Slang.
  1. a steel helmet worn by soldiers.


tin hat British  

noun

  1. obsolete a steel helmet worn by military personnel for protection against small metal fragments

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tin hat

First recorded in 1915–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One government source said to me: "It's definitely not tin hat time yet."

From BBC • Jan. 9, 2025

“I grabbed my tin hat and ran up to the poop deck and when everyone was up there we didn’t see any planes or anything, but a Liberty Ship near us was sinking,” Cribbs said.

From Washington Times • Nov. 2, 2014

The institutions that formed him, bade him don A tin hat at Suez, shimmer like elegant, gauzy backdrops Floating down from the flies.

From New York Times • Jul. 29, 2014

Finally a politician in a suit, holding a handkerchief to his nose, and a general, clutching a tin hat.

From The Guardian • Jul. 22, 2011

Gas mask, tin hat, ration coupons, and an umbrella.

From "Code Name Verity" by Elizabeth Wein

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