Pris″on‐er (?), n. [F. prisonnier.] 1. One who is confined in a prison. Piers Plowman.
2. A person under arrest, or in custody, whether in prison or not; a person held in involuntary restraint; a captive; as, a prisoner at the bar of a court. Bouvier.
Prisoner of Hope thou art, — look up and sing. Keble.
Prisoner's base. See Base, n., 24.