drilling

noun

1. The act or process of drilling.
2. The act or process of drilling.
3. A long firearm with three barrels (typically a mix of shotgun and rifle barrels).
4. A heavy, twilled fabric of linen or cotton; drill.

verb

1. (form-of, gerund, participle, present)present participle and gerund of drill

name

1. A surname from German.