washbasin helmet
In real, traceable use. Part of the curated seed collection; community review is coming.
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.
Register: slang
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.