flank
flank (flăngk) noun
1. The section of flesh on the body of a person or an animal between the last rib and the hip; the side.
2. A cut of meat from the flank of an animal.
3. A lateral part or side: the flank of a mountain.
4. a. The right or left side of a military formation: an attack on both flanks. b. The right or left side of a bastion.
verb, transitive
flanked, flanking, flanks
1. To protect or guard the flank of.
2. To menace or attack the flank of.
3. To be placed or situated at the flank or side of: Two stone lions flanked the entrance.
4. To put (something) on each side of: flanked the driveway with tall shrubs.
[Middle English, from Old English flanc, from Old French flanc, of Germanic origin.]