Definition of: undercut

(un′dər·kut′) noun
1. The act or result of cutting under.
2. The tenderloin.
3. A slanting cut in a sawed log.
4. A notch cut in the side of a tree so that it will fall toward that side when sawn through.
5. Any part that is cut away below: the undercut of a carriage.
6. In sports, a cut or backspin imparted to the ball by an underhand or downward stroke.
—v.t. (un′dər·kut′) ·cut, ·cut·ting
1. To cut under.
2. To cut away a lower portion of so as to leave a part overhanging: The river undercut its banks.
3. To work or sell for lower payment than (a rival).
4. In golf, to impart backspin to (the ball) by striking it obliquely downward.
5. In tennis, to use an underhand stroke in cutting (the ball).
6. To lessen or destroy the effectiveness or impact of; undermine.
—adjective
1. Having the parts in relief cut under.
2. Done by undercutting.