noun, plural tu·bas for 1a, b, 2; tu·bae [too-bee, tyoo-] /ˈtu bi, ˈtyu-/ 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.
Origin of tuba
British Dictionary definitions for tubae
noun plural -bas or -bae (-biː)
Word Origin for tuba
Word Origin and History for tubae
1852, from French tuba, from Latin tuba (plural tubæ) "straight bronze war trumpet" (as opposed to the crooked bucina), related to tubus (see tube).
Culture definitions for tubae
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.