Definitions
1.noun(etc.) A set of keys used to operate a typewriter, computer etc.
2.nounA 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.
3.nounA 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.
4.verbTo type on a computer keyboard."Keyboarding is the part of this job I hate the most."