1.a person who evokes boredom
2.a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)
3.diameter of a tube or gun barrel
4.a hole or passage made by a drill; usually made for exploratory purposes
1.cause to be bored
2.make a hole with a pointed power or hand tool;
don't drill here, there's a gas pipe