either of two keys on a PC keyboard that is held down while pressing another key, as to issue a command.
Also called Ctrl, Ctrl key.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a key on the keyboard of a computer that is used in conjunction with the standard keys in order to initiate a specific function, such as editing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012