A cut made in the lower part of something; the material so removed. The notch cut in a tree to direct its fall when being felled. The underside of a sirloin of beef; the fillet. A hairstyle that is shaved or clipped short on the sides and kept long on the top. A blow dealt upward.

To sell (something) at a lower price, or to work for lower wages, than a competitor. To create an overhang by cutting away material from underneath. To undermine. To strike a heavy blow upward.

Produced by undercutting. Designed so as to cut from the underside. Having the parts in relief cut under.