1. (a.) Internal.

2. (v.) To put for safe keeping in the interior of a place or country; to confine to one locality; as, to intern troops which have fled for refuge to a neutral country.

Doctor of Medicine GP MD addressee allopath allopathist apprentice teacher artist-in-residence attending physician bastille bolt in bosom cast in prison center clap in jail clap up confine constrain core coroner country doctor croaker deepest recesses denizen doc doctor dweller family doctor gaol general practitioner graduate assistant habitant heart heart of hearts hold captive hold in captivity hold prisoner house detective house physician immure imprison incarcerate incumbent inhabitant inhabiter inmate inner inner landscape inner life inner man inner nature inner recess inner self inpatient inside interior interior man internal intrados inward jail jug leech live-in maid lock in lock up locum tenens medical attendant medical examiner medical man medical practitioner medico monitor occupant occupier paraprofessional penetralia physician physician in ordinary practice teacher praepostor prefect prison proctor pupil teacher quod recesses residencer resident resident physician residentiary resider sawbones secret place secret places sojourner soul student assistant teaching assistant teaching fellow teaching intern tenant throw into jail treat vital center vitals