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to make a high-pitched sound by forcing air out through one's partly closed lips
to produce a sharp, high-pitched sound
to blow a whistle as a signal to alert or command attention
to create a melody or song by producing a high-pitched sound through whistling
to create a sharp, high-pitched sound by moving quickly through a narrow opening or air
move, send, or bring as if by whistling
an inexpensive fipple flute
the act of signalling (e.g., summoning) by whistling or blowing a whistle
a device mounted on locomotives and some railcars that emits a loud, high-pitched sound to signal warnings or communicate with personnel and other trains
a small, handheld device used to produce a high-pitched sound when blown into, often used for communication, signaling, or as a toy for play and fun
the sound made by something moving rapidly or by steam coming out of a small aperture
