<p><strong>Noun:</strong></p><ul><li>A cuspidor.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>To cut under or beneath.</li><li>To cut away material from so as to leave a portion overhanging, as in carving or sculpture.</li><li>To offer goods or services at a lower price or rate than (a competing price or rate) or than that of (a competitor).</li><li>To weaken or destroy the impact or effectiveness of; undermine.</li><li>To hit (the ball) so as to cause a backspin in golf.</li><li>To slice (the ball) using an underhand motion in tennis.</li><li>To cut (a sound recording) with grooves too shallow or with insufficient lateral motion of the stylus.</li><li>To cut a notch in (a tree) in order to control the direction in which the tree is to fall.</li></ul><p><strong>Noun:</strong></p><ul><li>A cut or a cutting away underneath.</li><li>A notch cut in a tree to determine the direction in which the tree is to fall and to prevent splitting.</li><li>A haircut for men or women in which one or both sides and often the back are shaved or cut very short, leaving longer hair at the top of the head: an undercut with a side part.</li><li>A backspin in golf.</li><li>A slice or cut made with an underhand motion in tennis.</li><li>A tenderloin of beef including the fillet (chiefly British).</li><li>A tooth cavity prepared with a wide base for anchoring a filling securely.</li></ul><p><strong>Adjective:</strong></p><ul><li>Having or resulting from an undercut.</li></ul>