head-up display

Noun

 * 1) A semitransparent graphical and textual display of information projected upon the field of view of a pilot of an aircraft. Abbreviation: HUD
 * 2)  A type of radar or electronic chart display where the top of the display always represents the direction the vessel is heading.
 * 3)  A display of score, status, etc. superimposed over the playfield.