washbasin helmet (English, noun)
expansion: washbasin helmet (plural washbasin helmets)
Senses:
topics: government
military
politics
war
glosses: 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.
tags: slang
Forms:
form: washbasin helmets
tags: plural