engine house

plural engine houses

1. A building housing one or more engines.
   1. firefightingA building for housing a fire engine, a firehouse or fire station.
   2. rail transportA 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.