Flanker /(?)/

1. 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.

   They threw out flankers, and endeavored to dislodge their assailants.

imp. & p. p. Flankered; p. pr. & vb. n. Flankering

1. To defend by lateral fortifications. [Obs.]
2. To attack sideways. [Obs.]