dumb piano

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Webster's Dictionary (GCIDE)

Piano \Pi*an"o\, Pianoforte \Pi*an"o*for`te\, n. [It. piano soft (fr. L. planus even, smooth; see Plain, a.) + It. forte strong, fr. L. fortis (see Fort).] (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. [1913 Webster]

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. [1913 Webster]

Digitorium \Dig`i*to"ri*um\, n. [NL., fr. L. digitus a finger.] A small dumb keyboard used by pianists for exercising the fingers; -- called also dumb piano. [1913 Webster]
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