Tuba definition

to͝obə, tyo͝o-
Frequency:
A large, valved, brass instrument with a bass pitch.
noun
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A reed stop in an organ, having eight-foot pitch.
noun
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In ancient Rome, a straight war trumpet.
noun
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Any of a group of brass instruments with a conical bore and three to five valves, esp. the large contrabass member.
noun
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A large brass musical instrument, usually in the bass range, played through a vibration of the lips upon the mouthpiece and fingering of the keys.
noun
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Other Word Forms

Noun

Singular:
tuba
Plural:
tubas

Origin of tuba

  • Italian from Latin trumpet tubus tube

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin tuba (“tube, trumpet").

    From Wiktionary