tin hat

noun

, Slang.

1. a steel helmet worn by soldiers.

tin hat

noun

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

Word History and Origins

Origin of tin hat¹

First recorded in 1915–20

Example Sentences

The new pattern "tin hat," with which we had by this time all been supplied, formed a by no means unimportant part of our dress.

From Project Gutenberg

One of them had tied his tin hat to my tail, I remember, and the rest were trying to stick their nasty spears between my scales.

From Project Gutenberg

A piece of shrapnel hit a Cockney, a lad from Paddington, on his tin hat.

From Project Gutenberg

The little German prisoners seemed to be all tin hat and boots.

From Project Gutenberg

As clever as that other one with the fireman's tin hat, as game as Jimmy Wilde, and as kind as Heaven.

From Project Gutenberg