- noun an area of the taskbar normally in the bottom right-hand corner next to the clock. The system tray displays tiny icons that show which system software programs were run automatically when Windows started and are now running in the background.
- An area, such as that located on the lower right-hand side of the taskbar, which serves to display small icons of certain programs, such as a time/day clock, volume control, status of a modem, and the like. The functions of such applications can easily be accessed by double-clicking or right-clicking on the corresponding icon. Its abbreviation is systray.