FLANKERED

Verb

flankered

simple past tense and past participle of flanker

Source: Wiktionary

FLANKER

Flank"er, n.

Definition: 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. W. Irwing.

Flank"er, v. t. [imp. & p. p. Flankered; p. pr. & vb. n. Flankering.] Etym: [See Flank, v. t.]

1. To defend by lateral fortifications. [Obs.] Sir T. Herbert.

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

Source: Webster’s Unabridged Dictionary 1913 Edition