1. British a garage that is not attached to the user's house ⇒ 25lb of Semtex explosive was found in the lock-up she had rented to Mr Henderson.
2. a small shop with no attached quarters for the owner or shopkeeper ⇒ K claims to be based in a small lock-up in Tokyo.
3. US informal a jail or block of cells ⇒ I was in the lock-up for a night., ⇒ the 450 inmates at the maximum-security lock-up in Lucasville
4. stock exchange an investment that is intended to be held for a relatively long period
5. the action or time of locking up
6. printing the pages of type held in a chase by the positioning of quoins
adjective 7. capable of being locked, for security ⇒ There is an underground garage and secure lockup storage.
8. British and New Zealand (of premises) without living accommodation
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