One word with many different meanings:
1. verb. make (a hole) in something with a drill or other tool.
2. verb. (of an athlete or racehorse) push another competitor out of the way.
3. noun. the hollow part inside a gun barrel.
4. noun. a dull and uninteresting person or activity.
5. verb. cause to feel weary and uninterested by being dull and tedious.
6. noun. a steep-fronted wave caused by the meeting of two tides or by a tide rushing up a narrow estuary.