enable - . 1. an electrical signal that enables operation of another circuit.an electrical signal that enables operation of another circuit. 2. a switch on a peripheral device, such as a tape drive, that is set by an operator to indicate that it is ready for operation.a switch on a peripheral device, such as a tape drive, that is set by an operator to indicate that it is ready for operation. ; дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр http://www.harcourt.com/dictionary/def/3/5/1/2/3512800.html;