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Webster 1913 Edition
Extraterritoriality
Exˊtra-terˊri-toˊri-al′i-ty
,Noun.
The state of being beyond the limits of a particular territory
; esp. (Internat. Law)
, A fiction by which a public minister, though actually in a foreign country, is supposed still to remain within the territory of his own sovereign or nation.
Wheaton.