what is flank in medical terms
Definition of flank. 1a : the fleshy part of the side between the ribs and the hip; broadly : the side of a quadruped She gently patted the horse's flank.b : a cut of meat from this part of an animal â see beef illustration. 2a : side the eastern flank of a volcanob : the right or left of a formation attacked the enemy on both flanks.