lock·up 
(lŏkŭp′)
(lŏkŭp′)n.
1. Informal A jail, especially one in which offenders are held while awaiting a court hearing.
2.
a. The act or an instance of locking.
b. The state of being locked.
- house martin
- housemaster
- housemate
- housemistress
- housemother
- house mouse
- house music
- House of Burgesses
- house of cards
- House of Commons
- house of correction
- House of Delegates
- house officer
- House of Lords
- house of mirrors
- House of Representatives
- house organ
- housepainter
- house painter
- houseparent
- house party
- houseperson
- house physician
- houseplant
- house-proud