keycap means the part of a key (on a keyboard) that is pressed by the user, as opposed to any electromechanical unit underneath. Lexicurio rates it Sui generis — a strength score of 91 out of 100.
noun
- The part of a key (on a keyboard) that is pressed by the user, as opposed to any electromechanical unit underneath.“A two-station robotic assembly system for inserting keycaps into keyboard arrays has been designed and constructed.”