Definition of lock-up noun from the Oxford Advanced Learner's Dictionary

     

    lock-up

     noun
    noun
    BrE
     
    ; NAmE
     
    Prison
     
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  1. 1a small prison where prisoners are kept for a short time See related entries: Prison
  2. 2(British English) a small shop that the owner does not live in; a garage that is usually separate from other buildings and that is rented to somebody