undercut (Noun) — The material removed by a cut made underneath.
undercut (Noun) — The tender meat of the loin muscle on each side of the vertebral column.
undercut (Noun) — A notch cut in the trunk of tree in order to determine the direction of its fall.
undercut (Noun) — (sport) a stroke that puts reverse spin on the ball. ex. "undercuts do not bother a good tennis player"
undercut (Noun) — A cut made underneath to remove material.
undercut (Verb) — Sell cheaper than one's competition. ex. "The exporter will actually undercut the foreign dealer by very nearly the whole difference"
undercut (Verb) — Cut away material from the underside of (an object) so as to leave an overhanging portion in relief.
undercut (Verb) — Cut away the underpart of. ex. "undercut a vein of ore"
undercut (Verb) — Strike (the ball) in golf, tennis, or hockey obliquely downward so as to give a backspin or elevation to the shot.
undercut (Verb) — Cut obliquely into (a tree) below the main cut and on the side toward which the tree will fall.