Answer: lockup

AnswerCrossword Clue
LOCKUPPrison
LOCKUPPut in the pen
LOCKUPSecure, as in a safe
LOCKUPClink
LOCKUPHoosegow
LOCKUPPoky
LOCKUPPut in jail
LOCKUPCooler
LOCKUPWhat brakes shouldn't do
lockupAn investment in assets that cannot readily be realized or sold in the short term
lockupThe time of doing this
lockupA jail, esp. a temporary one
lockupThe locking up of premises for the night
lockupThe action of becoming fixed or immovable
lockupa jail