steam whistle

steam whistle

n (Mechanical Engineering) a type of whistle sounded by a blast of steam, as used formerly in factories, on locomotives, etc

Thesaurus

Noun

1.

steam whistle - a whistle in which the sound is produced by steam; usually attached to a steam boilerboiler, steam boiler - sealed vessel where water is converted to steamsteam organ, calliope - a musical instrument consisting of a series of steam whistles played from a keyboardwhistle - acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound