n. Any of a group of similar brass instruments, resembling a bugle in shape, but with valves
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. A musical instrument of the trumpet class, invented by Adolphe Sax, a Frenchman, about 1840.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any of a family of brass wind instruments that resemble a bugle with valves
Word Usage
"All these valve instruments may be comprehended under the French name of saxhorn."