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Related to saxhorn: saxtuba
Any of a family of valved brass wind instruments that resemble the bugle and have a full even tone and wide compass.
[After Sax, surname of 19th-century Belgian instrument-making family.]
(Instruments) a valved brass instrument used chiefly in brass and military bands, having a tube of conical bore and a brilliant tone colour. It resembles the tuba and constitutes a family of instruments related to the flugelhorn and cornet
[C19: named after Adolphe Sax (see saxophone), who invented it (1845)]
any of a family of brass instruments close to the cornets and tubas.
[1835–45; after A. Sax (1814–94), a Belgian who invented such instruments]