undercut Definition

1. To offer goods or services at a lower price than (a competitor).

Thesaurus: underbid, undersell.
2. To cut away the underside of something.

Thesaurus: undermine, excavate, gouge out, hollow out.
3. sport.
To apply backspin to (a ball).

1. The action or an act of cutting underneath something.
2. A part that is cut away underneath.
3. The underside of a sirloin, ie the fillet.
4. A notch cut in the trunk of a tree on the side to which it is intended to fall.
5. sport.
A stroke that gives a ball backspin.