drop window

English

Noun

drop window (plural drop windows)

1. Synonym of drop light (sense 2).
   • 1954 February, “Third Class Corridor Brake Coaches for British Railways”, in Railway Magazine, page 133:

     All the outside passenger doors are fitted with drop windows and outside actuation locks, and each end of the car has a Pullman type gangway.

References

• “drop window”, in Collins English Dictionary.