the act of whistling a tune | an inexpensive fipple flute |
the act of signalling (e.g., summoning) by whistling or blowing a whistle | acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound |
the sound made by something moving rapidly or by steam coming out of a small aperture | a small wind instrument that produces a whistling sound by blowing into it |
| the act of signalling (e.g., summoning) by whistling or blowing a whistle |
| the sound made by something moving rapidly or by steam coming out of a small aperture |