tin hat

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

The steel helmet worn by soldiers during World War I.

Register: slang

Where it’s used: Used American English

Examples

They could live on jerked goat, the strong black coffee they called 'boiler compound,' and hash cooked in a tin hat.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “tin hat” mean?

The steel helmet worn by soldiers during World War I.

Is “tin hat” formal or informal?

tin hat is generally slang.