#1 jail n. [jailhouse, gaol, clink, slammer, poky, pokey] 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). wn
#2 jail v. [imprison, incarcerate, lag, immure, put behind bars, jug, gaol, put away, remand] 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". wn
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