1. (

• piano ,
• pianoforte ,
• forte-piano

) a keyboard instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds ;

2. (

• piano ,
• pianissimo

) (music) low loudness ;

1. (

• piano ,
• soft ,

) (used chiefly as a direction or description in music) soft; in a quiet, subdued tone; "the piano passages in the composition" ;

1. (

• piano ,
• softly ,

) used as a direction in music; to be played relatively softly ;