Definition of "keyboard"

noun:
- A set of keys used to operate a typewriter, computer etc.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- 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.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- 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.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
verb:
- To type on a computer keyboard.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License