Pi·an·o Pi·an·o·for·te n. Mus. A well-known musical instrument somewhat resembling the harpsichord, and consisting of a series of wires of graduated length, thickness, and tension, struck by hammers moved by keys.
Dumb piano. See Digitorium.
Grand piano. See under Grand.
Square piano, one with a horizontal frame and an oblong case.
Upright piano, one with an upright frame and vertical wires.
◄ ►
upright piano
n : a piano with a vertical sounding board [syn: upright]