trench derby
English
editAlternative forms
editNoun
edittrench derby (plural trench derbies)
- (military slang, World War I) A tin hat.
References
edit- Lighter, Jonathan (1972) “The Slang of the American Expeditionary Forces in Europe, 1917-1919: An Historical Glossary”, in American Speech[1], volume 47, number 1/2, page 113