| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ noun
: one that undercuts or makes undercuts: as
a. : a logger who chops the undercut in a tree that is to be felled
b. : a mine worker who operates a machine for cutting the bottom or side of the working face of coal so that it will not shatter when blasted