Someone who has a preference for using a certain foot.
Football / soccer.
Something that measures a stated number of feet in some dimension.
A line of information printed at the bottom of a page to identify the contents. (Compare foot in printing.)
To meddle with or pass time without accomplishing anything meaningful.
A solid grip with the feet.
A secure position from which it is difficult to be dislodged.
Airhead, beachhead, bridgehead, lodgement.