Dictionary

drop light en · NOUN

A lamp that is suspended, for example, by a cable.
- A single drop light burned far back, beyond an open, once-gilt elevator. 1939, Raymond Chandler, The Big Sleep, Penguin, published 2011, page 185:
A lamp that is suspended, for example, by a cable. ▸ Such a lamp on a retractable cable, suitable for workshops and garages, where the light can easily be taken down underneath cars, trucks, locomotives, machinery, and so on, then easily put away in an overhead position.
A window in a train carriage that is opened by pushing it downward into the door.
- The sliding door, which is fitted with a drop light, is shrouded with bristle-type draught excluders. 1954 February, “Third Class Corridor Brake Coaches for British Railways”, in Railway Magazine, pages 132-133:
- Ventilation was by louvres and brass grilles over the windows and by droplights in the end doors. 1965, Cuthbert Hamilton Ellis, Railway carriages in the British Isles: from 1830 to 1914, page 58:
- The side doors to the cab have been replaced by droplights and the train will not start unless these are closed or within a few inches of the closed position. 1964, The Indian Railway Gazette, volume 62, number 6, page 142:

Spelling	Features	Labels	Source
droplight		alternative	lexicographic
drop lights	Number=Plur		lexicographic

shoplight (light for workshops)