0 past simple and past participle of anchor
1 to lower an anchor into the water in order to stop a boat from moving away
2 to act as the anchorman or anchorwoman of a programme:
3 to be the member of a team who goes last in a relay (= a type of race between two or more teams in which each person in the team runs or swims part of the race):
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.