Quick definitions from WordNet (piano)
▸ noun: a stringed instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds
▸ noun: (music) low loudness
▸ adjective: used chiefly as a direction or description in music ("The piano passages in the composition")
▸ adverb: used as a direction in music; to be played relatively softly
▸ name: A surname (very rare: popularity rank in the U.S.: #20615)
▸ Also see piano
▸ noun: a stringed instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds
▸ noun: (music) low loudness
▸ adjective: used chiefly as a direction or description in music ("The piano passages in the composition")
▸ adverb: used as a direction in music; to be played relatively softly
▸ name: A surname (very rare: popularity rank in the U.S.: #20615)
▸ Also see piano