drilling
- n the act of drilling
- n the act of drilling a hole in the earth in the hope of producing petroleum
- v make a hole, especially with a pointed power or hand tool
- v train in the military, e.g., in the use of weapons
- v learn by repetition
- v teach by repetition
- v undergo military training or do military exercises
driftage
- n the deviation (by a vessel or aircraft) from its intended course due to drifting
drifter
- n a wanderer who has no established residence or visible means of support