From Longman Dictionary of Contemporary Englishjailhousejail‧house /ˈdʒeɪlhaʊs/ noun [countable] American English a building that has a jail in it → prison
Examples from the Corpus
jailhouse• Rodriguez took up a command position in the old jailhouse.• The kangaroo court decided the punishment must fit the crime and ruled that he stay in his cell during the jailhouse comedy. 