detention, often under guard, of an arrested person in that person's own home, a hospital, etc.
- Confinement of a criminal to his or her own residence, usually under a condition of electronic monitoring or other surveillance, imposed by a court as a more lenient alternative to imprisonment.
- Confinement of a political activist to his or her own residence, usually under a condition of limited outside communication, imposed by an oppressive regime as a means of reducing the activist's effectiveness.
- (law) The situation where a person is confined, by the authorities, to his or her residence, possibly with travel allowed but restricted. Used as a lenient alternative to prison time.