a place used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)
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)
lock up or confine, in or as in a jail; "The suspects were imprisoned without trial"; "the murderer was incarcerated for the rest of his life"
