engine house
noun› A building housing one or more engines.
1
Firefighting, Government A building for housing a fire engine, a firehouse or fire station.
2
Rail transport, Railways, Transport A building for housing one or more locomotives, an engine shed.
- Of locomotive interest was "an engine house for spare engines which was about 60 ft. × 51 ft.; on the outside of this was an immense turntable sufficient to turn the engine and tender at once."1944 July and August, Reginald B. Fellows, “The Failure of Bricklayers Arms as a Passenger Station—I”, in Railway Magazine, page 211:
3
A building housing a stationary engine.