English · Slang Attested

washbasin helmet

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

Both English Tiếng Việt

Meaning · English

A style of soldier's helmet that is almost identical to or resembles the helmet used by the British Empire, Commonwealth and U.S. soldiery during World War I.

Nghĩa · Tiếng Việt

kiểu mũ兵 gần giống với mũ được sử dụng bởi Đế quốc Anh

Machine-translated — suggest a fix

Where it’s used: Used American English

Sources & notes

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

Common questions

What does “washbasin helmet” mean?

A style of soldier's helmet that is almost identical to or resembles the helmet used by the British Empire, Commonwealth and U.S. soldiery during World War I.

Is “washbasin helmet” formal or informal?

washbasin helmet is generally slang.

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