borstal /ˈbɔːstəl/

• 1. 

  N (formerly in Britain) an informal name for an establishment in which offenders aged 15 to 21 could be detained for corrective training. Since the Criminal Justice Act 1982, they have been replaced by youth custody centres (now known as young offender institutions) (旧时英国)青少年犯感化院; 15-21岁青少年犯教养院，自1982年《刑事司法法》颁布后为青年托管中心所取代，现称为青少年罪犯教养院