Definitions
1.verbTo enter information into a device, such as a keyboard or keypad, after it has been done at least once before."She had to rekey the security code."
2.verbTo modify (a lock or its cylinder) to change which keys will open it.
3.verbTo change the key or tenor of; to reframe.
4.nounThe process of entering information into a device again, by means of a keyboard or similar.
5.nounThe process of changing the key or tenor of something; a reframing.