- noun a key on a computer which works part of a program
- noun a special key, usually in the lower left corner of the keyboard, that provides a secondary function when pressed with another key
- A modifier key included on computer keyboards that is used in combination with other keys to generate a function. The specific function for any given key combination will depend on which program is running. Also called control (6). Its abbreviation is Ctrl, or Ctrl key.
- abbreviationCtrl key