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Webster 1913 Edition

Noun.

(Mus.)

A name given to a numerous family of brass wind instruments with valves, invented by Antoine Joseph Adolphe

Sax

(known as Adolphe Sax), of Belgium and Paris, and much used in military bands and in orchestras.

saxhorn ‎(plural saxhorns)

(music) Any of a group of similar brass instruments, resembling a bugle in shape, but with valves

a brass instrument