head-up display

noun

1. an electronic display of data from instruments or other sources projected at eye level so that a driver or pilot sees it without looking away from the road or course. Abbreviation: HUD
2. (in a computer game) an electronic display of meters and dials around the screen margins. Abbreviation: HUD

noun

1. the projection of readings from instruments onto a windscreen, enabling an aircraft pilot or car driver to see them without looking down