Definitions for backtrackˈbækˌtræk
Random House Webster's College Dictionary
to return over the same course or route.
to withdraw from an undertaking, position, etc.; reverse a policy.
Origin of backtrack:
backtrack, turn back, double back(verb)
retrace one's course
"The hikers got into a storm and had to turn back"
the act of backtracking
to retrace one's steps
I dropped my sunglasses and had to backtrack to find them.
to repeat or review work already done
If we backtrack through this problem, maybe we can figure out where we went wrong.
To taxi down an active runway in the opposite direction to that being used for takeoff
Speedbird One: Enter and backtrack Runway 27 Left