drill floor

noun

noun

An area (especially in a drill hall) in which military drill is carried out

In the three weeks since, the city has repeatedly relocated evacuees on short notice. To reopen schools, it bused many to armories, turning drill floors into open dormitories for the first time since a 1980s lawsuit halted the practice.2012 November 20, Nina Bernstein, “Storm Bared a Lack of Options for the Homeless in New York”, in New York Times:

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