Flank v. t. [imp. & p. p. Flanked p. pr. & vb. n. Flanking.]
1. To stand at the flank or side of; to border upon.
Stately colonnades are flanked with trees. --Pitt.
2. To overlook or command the flank of; to secure or guard the flank of; to pass around or turn the flank of; to attack, or threaten to attack; the flank of.