A locked room to incarcerate an inmate in prison.

plural of jail break

People considered to be expendable, worth nothing more than to fill jails.

(slang) A body cavity when used to store or smuggle things into jail.

plural of jail purse

plural of black jail

A facility in which individuals are detained by the state without access to legal process or representation.

(film, informal) A state of career derailment or limited opportunities to which a film industry professional is seemingly relegated, usually as a result of making an unsuccessful film.

(television) A display fault in which the picture is disrupted by evenly-spaced vertical bands. / Used other than figuratively or idiomatically: see jail, bar.

Alternative form of jailbird