Flanker

Origin

flank + -er

Full definition of flanker

Noun

1. (rugby) A player who plays in the back row of the scrum.
2. (American football) A wide receiver who lines up behind the line of scrimmage.
3. (military) A fortification or soldier projecting so as to defend another work or to command the flank of an assailing body.
• Washington IrvingThey threw out flankers, and endeavored to dislodge their assailants.

Verb

1. (obsolete) To defend by lateral fortifications.
2. (obsolete) To attack sideways.----