- the act of backtracking
- to retrace one's steps
"I dropped my sunglasses and had to backtrack to find them."
- (aviation) To taxi down an active runway in the opposite direction to that being used for takeoff
"Speedbird One: Enter and backtrack Runway 27 Left"
- to repeat or review work already done
"If we backtrack through this problem, maybe we can figure out where we went wrong."