Merriam-Webster's Collegiate® Dictionary, 11th Edition
GOUGE
I. noun
Etymology: Middle English gowge, from Middle French gouge, from Late Latin gulbia
Date: 14th century
a chisel with a concavo-convex cross section,
2. the act of gouging, a groove or cavity scooped out, an excessive or improper exaction ; extortion ,
II. transitive verb (gouged; gouging)
Date: 1570
to scoop out with or as if with a gouge,
2. to force out (an eye) with the thumb, to thrust the thumb into the eye of, to subject to extortion or undue exaction ; overcharge , gouger noun