desktop UK /ˈdɛsktɒp/US [ˈdɛskˌtɑp]noun 5adjective 2forms 1 noun5 •The top surface of a desk. •A desktop computer.Laptops are often more expensive than desktops. •A personal computer, as opposed to computers for business or server purposes. •The main graphical user interface of an operating system, usually displaying icons, windows and background wallpaper.I installed a new application and it added its icon to my desktop. •The wallpaper of this interface. adjective2 •Designed for use on a desk or similar piece of furniture. •Of an application or website, designed to be run or viewed on a personal computer. formsdesktops