piano keyboard
/pɪˌanəʊ ˈkiːbɔːd/noun
The row of keys on a piano; a similar row of keys on another instrument.
- The modern standard piano keyboard consists of 88 keys, giving a compass of about seven-and-a-quarter octaves. The keyboard is arranged in two rows, the natural keys (usually white), and the sharps and flats (usually black)..
Origin
Mid 19th century; earliest use found in The Continental Monthly. From piano + keyboard.