sweep room
n.— «The school also uses what’s called a “sweep room,” where students spend the hour if they’re found wandering the halls after the period bell has rung.» —“Contrary to rumors, it was a normal day at high school” by Jason Miller News-Dispatch (Michigan City, Indiana) Sept. 15, 2006. (source: Double-Tongued Dictionary)
Further reading
David from Kalamazoo, Michigan, is a former truck driver who remembers that his fellow users of CB radio tended to sound similar, no matter what part of the country they were from. Is there such a thing as an occupational accent? Many of those truck...
Eric from West Lafayette, Indiana, wonders which phrase is correct when referring to “making the grade” or “meeting expectations”: Is it cut the mustard or cut the muster? It’s the former, a reference to the strong...