• noun:   acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound
• noun:   the act of signalling (e.g., summoning) by whistling or blowing a whistle

  Example: "The whistle signalled the end of the game"

• noun:   the sound made by something moving rapidly or by steam coming out of a small aperture
• noun:   an inexpensive fipple flute
• verb:   move with, or as with, a whistling sound

  Example: "The bullets whistled past him"

• verb:   move, send, or bring as if by whistling

  Example: "Her optimism whistled away these worries"

• verb:   make whistling sounds
• verb:   utter or express by whistling

  Example: "She whistled a melody"

• verb:   give a signal by whistling

  Example: "She whistled for her maid"

• verb:   make a whining, ringing, or whistling sound
• name:  A surname (very rare: popularity rank in the U.S.: #76195)

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