TagWhistle

whistle-tip

whistle-tip  n.— «A “whistle-tip” is a device that is applied to, or is a modification of, a motor vehicle’s exhaust pipe for the sole purpose of creating a high-pitched or shrieking noise when the motor vehicle is operated...

pea whistle

pea whistle  n.— «Doing a do-si-do: Swinging a large steel beam 180 degrees from the direction it’s going. Pea whistle: Same as a do-si-do (derivation unknown).» —“Chicago Speak” by Anne Keegan Chicago Tribune Feb...

auroral chorus

auroral chorus n. chirps, whistles, and quasi-musical sounds created by the electromagnetic effects of auroras in very low broadcast frequencies. Editorial Note: A similar phenomenon is the dawn chorus. Examples of the both can be heard here...