ex·tra·ter·ri·to·ri·al·i·ty 
(ĕk′strə-tĕr′ĭ-tôr′ē-ălĭ-tē)
(ĕk′strə-tĕr′ĭ-tôr′ē-ălĭ-tē)n.
1. The operation of the law of a state or country outside of its physical boundaries.
2. Exemption from local legal jurisdiction, such as that granted to foreign diplomats.