whistle 4
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound
Hypernym
a device for amplifying or transmitting sound
a device used to send signals
EnglishHyponym
boat whistle 1
noun
a whistle on a boat that is sounded as a warning
a whistle at a factory that is sounded to announce times for starting or stopping work
steam whistle 1
noun
a whistle in which the sound is produced by steam; usually attached to a steam boiler
