1. Jail in a local police station
   "The suspect spent the night in the lockup"
    
2. The act of locking something up to protect it
   "The nightly lockup of the store prevented theft"

1. Secure by locking
   "lock up the house before you go on vacation"
    
2. Place in a place where something cannot be removed or someone cannot escape
   "The suspect was locked up for the weekend";
   - lock away, lock, shut up, shut away

Derived forms: locks up, lockups, locked up, locking up

See also: lock, shut

Type of: calaboose [US, Austral, informal], clink [informal], confine, fasten, fix, gaol [Brit], jail, jailhouse, pokey [informal], poky [informal], prison, protection, secure, slammer [informal]

Encyclopedia: Lockup