Act of drilling.

A long firearm with three barrels (typically a mix of shotgun and rifle barrels).

A heavy, twilled fabric of linen or cotton; drill.

plural of drill

Third-person singular simple present indicative form of drill

simple past tense and past participle of drill

A surname from German.

plural of drilling

plural of Drilling

Used to distinguish emergency procedures from those which are just rehearsed. / (informal, often humorous, by extension) Used to make an announcement or draw attention to a fact.