A large, valved, brass wind instrument with a bass pitch.
from The American Heritage Dictionary of the English Language, 4th Edition
A reed stop in an organ, having eight-foot pitch.
from The American Heritage Dictionary of the English Language, 4th Edition
A large low-pitched brass instrument usually oval in shape and having a conical tube, a cup-shaped mouthpiece, and a usual range an octave lower than that of the euphonium.
from Free Scrabble Dictionary
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