(computer hardware) An electronic device that is outside the computer's system unit (external to the computer's enclosing case), but used by the computer to which it is connected, such as a printer or a scanner.

(science fiction) A device which renders a person or thing invisible.

A contraceptive device consisting of a spiral or similar shape of plastic or metal inserted through the vagina into the uterus in order to prevent the implantation of a fertilized egg.

Any device which generates or is powered by compressed air

Any device designed for use with or relating to the lungs, such as the iron lung and medical ventilator, or any device used in the field of respiratory therapy.

(computing) Software, usually supplied with the operating system or by a hardware manufacturer, that communicates between the operating system of a personal computer and a specific hardware device.

(computing) Any device that formats and presents data for display to a user; examples include printers and video monitors

(narratology) An introductory or main narrative that provides a framework for a more emphasized second narrative or for a set of shorter stories.

plural of intrauterine device

plural of device driver