Flank"er (?), n. 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.

Flank"er, v. t. [imp. & p. p. Flankered (?); p. pr. & vb. n. Flankering.] [See Flank, v. t.] 1. To defend by lateral fortifications. [Obs.] Sir T. Herbert.

2. To attack sideways. [Obs.] Evelyn.