undercut - noun

the material removed by a cut made underneath

the tender meat of the loin muscle on each side of the vertebral column

a notch cut in the trunk of tree in order to determine the direction of its fall

(sports) a stroke that puts reverse spin on the ball

a cut made underneath to remove material

undercut - verb

• sell cheaper than one's competition
• cut away material from the underside of (an object) so as to leave an overhanging portion in relief
• cut away the underpart of
• strike (the ball) in golf, tennis, or hockey obliquely downward so as to give a backspin or elevation to the shot
• cut obliquely into (a tree) below the main cut and on the side toward which the tree will fall

undercut - thesaurus

cut   tenderloin   undersell