From Longman Dictionary of Contemporary Englishfire/emergency drillfire/emergency drillPRACTISE/PRACTICEan occasion when people practise what they should do in a dangerous situation such as a fire → drill
Examples from the Corpus
fire/emergency drill• And practise a family fire drill.• After selecting a field he carried out his emergency drills and shut down the engine.• Immediately fire drills were followed and the building vacated.• The local primary school nearest the naval base, Barne Barton, has an annual nuclear emergency drill.• The advantage of fire drill thinking is that it reminds you that the worst really can happen.• So back to the fire drill.• It was sabotaged by an unforeseen fire drill. 