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Webster 1913 Edition

Noun.

[Gr.

μέλοσ

song + E.

piano

A piano having a mechanical attachment which enables the player to prolong the notes at will.

melopiano ‎(plural melopianos)

(music, historical) A type of piano in which a system of hammers allows a note to be prolonged indefintely

melopiano m ‎(plural melopiani)