a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)(noun.artifact)
A kind of prison; a building for the confinement of persons held in lawful custody, especially for minor offenses or with reference to some future judicial proceeding.(noun)
source: webster1913
verb (v)
lock up or confine, in or as in a jail(verb.social)