Piano Very Common

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

"She practiced her scales on the piano, feeling the hammers strike the strings beneath each key she pressed."

(music) low loudness

"She played the softest notes on her piano to keep from waking the baby in the next room."

a percussive keyboard musical instrument, usually ranging over seven octaves, with white and black colored keys, played by pressing these keys, causing hammers to strike strings

"After years of practice, the young musician finally mastered the delicate touch required to make every hammer strike the piano's strings with perfect clarity."

To play the piano.

"She decided to practice her scales on the piano after dinner."

(used chiefly as a direction or description in music) soft; in a quiet, subdued tone

"the piano passages in the composition"

soft, quiet

"She played the song on her piano so softly that she didn't wake up anyone in the house."

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

"The conductor raised his hand and asked the violinists to play piano so they wouldn't overpower the soloist's melody."

softly, as a musical direction (abbreviated to p. in sheet music)

"The conductor gestured for the strings to play piano while the brass section held its breath during that delicate bridge passage."

A surname, from Italian​.

"My neighbor's son is named Piano because his great-grandfather was a famous conductor who insisted on that unique family name."