HARPSICHORD n.
A harp-shaped instrument of music set horizontally on legs, like the grand piano, with strings of wire, played by the fingers, by means of keys provided with quills, instead of hammers, for striking the strings. It is now superseded by the piano.
PIANO; PIANOFORTE n.
A well-known musical instrument somewhat resembling the harpsichord, and consisting of a sreies 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. -- Uprig…