(military, historical) An officer acting as counsel for the defendant in a court-martial.

plural of prisoner visa

prison; jailhouse

Somebody posing as a wealthy person of high status who has been imprisoned under a false identity; part of a confidence trick in which the mark is encouraged to give money to secure the release of the prisoner, who will then be in a position to give a reward.

A large correctional facility in which convicts are forced to do manual labor, largely in open air.

plural of prison state

(UK) A prison with minimal restrictions on the prisoners.

(politics) A state that severely restricts the freedom of its citizens.

(Hong Kong) A country where one is residing for the purpose of obtaining the passport or permanent residency of the country.

(slang) The anus or vagina (in the context of them being used to hide and smuggle items). / Used other than figuratively or idiomatically: see prison, pocket.