work·house /-ˌhaʊs/
  少年感化院;養老院
  Work·house n.; pl. Workhouses
  1. A house where any manufacture is carried on; a workshop.
  2. A house in which idle and vicious persons are confined to labor.
  3. A house where the town poor are maintained at public expense, and provided with labor; a poorhouse.
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  workhouse
       n 1: a poorhouse where able-bodied poor are compelled to labor
       2: a county jail that holds prisoners for periods up to 18
          months