What is a name given to a numerous family of brass wind instruments with valves, invented by Antoine Joseph Sax (known as Adolphe Sax), of Belgium and Paris, and much used in military bands and in orchestras called?

saxhorn — A name given to a numerous family of brass wind instruments with valves, invented by Antoine Joseph Sax (known as Adolphe Sax), of Belgium and Paris, and much used in military bands and in orchestras. (Webster's 1913.)