lock up, confine
What do you call the room where security guards keep people they've arrested locked up?
— タイタニック (1997)
They say, “If you’re bad, we’ll lock you in a silo and have a ghost suck your soul out.”
— When Marnie Was There (2014)
Nanny locked me in my room because of what happened last night.
— When Marnie Was There (2014)