1) Aircraft instrument 2) Optical device 3) Video game design 4) Video game terminology
Found on
https://www.crosswordclues.com/clue/head-up-display
A head-up display or heads-up display—also known as a HUD—is any transparent display that presents data without requiring users to look away from their usual viewpoints. The origin of the name stems from a pilot being able to view information with the head positioned `up` and looking forward, instead of angled down looking at lower instrumen.....
Found on
http://en.wikipedia.org/wiki/Head-up_display
(DOD) A display of flight, navigation, attack, or other information superimposed upon the pilot's forward field of view.
Found on
https://www.encyclo.co.uk/local/21254
No exact match found.
