piano
nounUK /piˈænəʊ/
US /piˈænoʊ/
A piano is a big music box with black and white keys that you press to make sounds.
She practices the piano every day after school.
OTHER MEANINGS
2. A direction in music meaning to play softly.
The passage is marked piano, so play it gently.
3. A short form for pianoforte, the full name of the instrument.
The old pianoforte in the hall still sounds lovely.
4. A piano stool or bench used while playing.
He adjusted the piano before sitting down to play.