tin derby

English

Alternative forms

• tin-derby

Noun

tin derby (plural tin derbies)

1. (military slang, World War I) A tin hat.

References

• 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 111