A vehicle equipped with machinery for supplying heat or electrical power to other parts of a train.
A vehicle that propels, and commonly also controls, a passenger train or tram, often as the lead vehicle.
Antonym: trailer car
A railway locomotive used for shunting; a shunter.
A switchmode power supply.
Synonym of vision mixer (“device for selecting between video sources”)
One who or that which operates a switch.
One who or that which switches, or changes to something else.