undercuts

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
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

undercuts is a valid Scrabble (US) TWL word

undercuts is a valid Scrabble Word in Merriam-Webster MW Dictionary

undercuts is a valid Scrabble Word in International Collins CSW Dictionary

undercuts is a valid Words With Friends word