Whistle

Whistle

A whistle or call is a simple aerophone, an instrument which produces sound from a stream of forced air. It may be mouth-operated, or powered by air pressure, steam, or other means. Whistles vary in size from a small slide whistle or nose flute type to a large multi-piped church organ.

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Famous quotes containing the word whistle:

    “Instead of the scream of a fish hawk scaring the fishes, is heard the whistle of the steam-engine, arousing a country to its progress.”
    —Henry David Thoreau (1817–1862)

    “All we who prefer to live
    Have a little whistle we give,
    And flash, at the least alarm
    We dive down under the farm.”
    —Robert Frost (1874–1963)

    “In Boston serpents whistle at the cold.”
    —Robert Lowell (1917–1977)