Wiktionary
touchbox
n. A box containing lighted tinder, formerly carried by soldiers for kindle matchlocks.
Usage examples of "touchbox".
He went around to the side of the central building, which contained the staff rooms and offices, entered the digits into the touchbox, and a few moments later appeared from a side corridor leading into the main hall.
Then he pushed aside carved panels and etched veneers and opened a touchbox that contained things of which they knew not.