- gas lamp (US)
gas + light. The verb sense derives from the 1938 stage play Gas Light, in which a husband attempts to convince his wife and others that she is insane by manipulating small elements of their environment.
gaslight (plural gaslights)
- (UK) The light produced by burning piped illuminating gas.
- (UK) A lamp which operates by burning gas.
light produced by burning gas
lamp that burns gas