From WordNet (r) 3.0 (2006):
gouge
n 1: an impression in a surface (as made by a blow) [syn:
dent, ding, gouge, nick]
2: and edge tool with a blade like a trough for cutting channels
or grooves
3: the act of gouging
v 1: force with the thumb; "gouge out his eyes" [syn: gouge,
force out]
2: obtain by coercion or intimidation; "They extorted money from
the executive by threatening to reveal his past to the
company boss"; "They squeezed money from the owner of the
business by threatening him" [syn: extort, squeeze,
rack, gouge, wring]
3: make a groove in [syn: rout, gouge]