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Webster 1913 Edition

Adj.

[Gr. [GREEK];

πολύσ

many + [GREEK] string, cord.]

Having many strings.

Noun.

(Mus.)

(a)

A musical instrument of ten strings.

(b)

An apparatus for coupling two octave notes, capable of being attached to a keyed instrument.

Adj.

[Gr. many and chord.]

Having many chords or strings.

polychord ‎(plural polychords)

(music) Two or more chords, each constructed in a different manner, one on top of the other, multiple chords
(music) a musical instrument having ten strings
(music) a device, attached to a keyboard, for coupling two octave notes

polychord