Found 2 items, similar to euphonium.
English → English (WordNet) Definition: euphonium euphonium n : a bass horn (brass wind instrument) that is the tenor of the tuba family
English → English (gcide) Definition: Euphonium Euphonium \Eu*pho"ni*um\, n. [NL. See Euphony.] (Mus.) A bass instrument of the saxhorn family. [1913 Webster]