drop light

• droplight

drop light (plural drop lights)

1. A lamp that is suspended, for example via a cable.
   • 1939, Raymond Chandler, The Big Sleep, Penguin 2011, p. 185:

     A single drop light burned far back, beyond an open, once-gilt elevator.

2. (railways) A window in a train carriage that is opened by pushing it downward into the door.
   • 1965, Cuthbert Hamilton Ellis, Railway carriages in the British Isles: from 1830 to 1914 (page 58)

     Ventilation was by louvres and brass grilles over the windows and by droplights in the end doors.

   • 1964, The Indian Railway Gazette (volume 62, issue 6, page 142)

     The side doors to the cab have been replaced by droplights and the train will not start unless these are closed or within a few inches of the closed position.