- Music.
- a valved, brass wind instrument having a low range.
- an organ reed stop of large scale with tones of exceptional power.
- an ancient Roman trumpet.
- funnel cloud.
- a valved brass instrument of bass pitch, in which the bell points upwards and the mouthpiece projects at right angles. The tube is of conical bore and the mouthpiece cup-shaped
- any other bass brass instrument such as the euphonium, helicon, etc
- a powerful reed stop on an organ
- a form of trumpet of ancient Rome
