n.

1. 半圆凿
2. 凿；挖
3. 欺诈

vt.

1. 用半圆凿子挖；挖出
2. 欺骗

v.

1. make (a rough hole or indentation) in a surface.
2. (gouge something out) cut or force something out roughly or violently.
3. N. Amer. informal overcharge or swindle (someone).

n.

1. a chisel with a concave blade.
2. an indentation or groove made by gouging.