What is the meaning of Keyboard?

A set of keys used to operate 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.

A device with keys of a musical keyboard, used to control electronic sound-producing devices which may be built into or separate from the keyboard device.

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