- Piano is defined as the sound level when music is played softly.
An example of a piece that would be described as being played "piano" is a musical piece that is played very quietly.
- The definition of a piano is a large keyboard instrument with keys that strike wires which are stretched a metal frame inside a wooden case, or a piece of music that is written to be performed with a soft volume.
An example of a piano is a large instrument that you play by pressing black and white keys that cause hammers to hit wires to produce sound.
A black grand piano.Licensed from iStockPhoto
Origin: It, soft, smooth from Classical Latin planus, smooth, plane
Origin: It, contr. from pianoforte
Used by arrangement with John Wiley & Sons, Inc.
noun pl. pi·an·os
Origin: Italian, short for pianoforte; see pianoforte.
Musicadverb & adj. Abbr. p
Origin: Italian, from Late Latin plānus, smooth, graceful, from Latin, flat; see pelə-2 in Indo-European roots.