[too-buh, tyoo-]
noun, plural tubas for 1a, b, 2; tubae [too-bee, tyoo-] , for 1c.
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.
Meteorology, funnel cloud.

1850–55; < Latin: trumpet; akin to tube

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World English Dictionary
tuba (ˈtjuːbə)
n , pl -bas, -bae
1.  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
2.  any other bass brass instrument such as the euphonium, helicon, etc
3.  a powerful reed stop on an organ
4.  a form of trumpet of ancient Rome

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1852, from Fr. tuba, from L. tuba (pl. tubæ) "straight bronze war trumpet" (as opposed to the crooked bucina), related to tubus (see tube).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary

tuba definition

The lowest-pitched of the brass instruments. In orchestras, the tuba is usually held across the player's lap. In marching bands, the sousaphone is generally used as a low brass instrument because it was designed to be carried.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

TUBA definition

networking, protocol
An Internet protocol, described in RFC 1347, RFC 1526 and RFC 1561, and based on the OSI Connectionless Network Protocol (CNLP).
TUBA is one of the proposals for Internet Protocol Version 6.
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
In the last year he has taken jobs where he could find them, such as with a tuba-and-banjo band.
Tuba city high school and tuba city elementary school serve cameron.
The tuba player has no head, and the television personality has no body.
Images for tuba
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