What is the meaning of Keyboard?

A set of keys laid out in a grid-like pattern, used for typing on a typewriter, computer etc.

A component of many instruments, including the piano, organ, and harpsichord, consisting of usually black and white keys that cause different tones to be produced when struck.

An electronic device containing a keyboard (preceding sense), especially one that is capable of producing musical sounds when the keys are played.

To type on a computer keyboard.

keyboard (electrical keyboard instrument)

keyboard (input device for a computer)

keyboard (electronic device with keys of a musical keyboard)

an electronic keyboard

Source: wiktionary.org