a back stationed wide of the scrimmage line; used as a pass receiver
source: WordNet 3.0
a soldier who is a member of a detachment assigned to guard the flanks of a military formation
source: WordNet 3.0
One who, or that which, flanks, as a skirmisher or a body of troops sent out upon the flanks of an army toguard a line of march, or a fort projecting so as to command the side of an assailing body.
