411 REFERENCE · Wiktionary
HMYOI
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en His/Her Majesty's young offender institution.
Related terms
en HM YOI
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.