Pronunciation: (tOO'bu, tyOO'-), [key]
—pl. -bas for 1a, b, 2; -baePronunciation: (-bē) [key] for 1c.
a. a valved, brass wind instrument having a low range.
b. an organ reed stop of large scale with tones of exceptional power.
c. an ancient Roman trumpet.
2. Meteorol.See funnel cloud.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.