tu·ba (tbə, ty-)
1. A large, valved, brass instrument with a bass pitch.
2. A reed stop in an organ, having eight-foot pitch.
[Italian, from Latin, trumpet; akin to tubus, tube.]
tuba·ist, tubist n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.