1. (n.) A close, dark prison, common/, under ground, as if the lower apartments of the donjon or keep of a castle, these being used as prisons.

2. (v. t.) To shut up in a dungeon.

POW camp bastille black hole borstal borstal institution bridewell brig cell concentration camp condemned cell death cell death house death row detention camp donjon federal prison forced-labor camp gaol guardhouse house of correction house of detention industrial school internment camp jail jailhouse keep labor camp lockup maximum-security prison minimum-security prison oubliette pen penal colony penal institution penal settlement penitentiary prison prison camp prisonhouse reform school reformatory sponging house state prison stockade stronghold the hole tollbooth training school vault