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Related to borstal: borstal system
1. (Sociology) (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 Since the Criminal Justice Act 1982, they have been replaced by youth custody centres (now known as young offender institutions)
2. (Sociology) (formerly) a similar establishment in Australia and New Zealand
[C20: named after Borstal, village in Kent where the first institution was founded]
(in England) a school for delinquent boys; reformatory.
[1900–05; after Borstal, village in Kent, England]