1 the extent of the land under the jurisdiction of a ruler, State, city, etc.
2 (Territory) an organized division of a country, esp. one not yet admitted to the full rights of a State.
3 a sphere of action or thought; a province.
4 the area over which a commercial traveller or goods-distributor operates.
5 Zool. an area defended by an animal or animals against others of the same species.
6 an area defended by a team or player in a game.
7 a large tract of land.
Etymology: ME f. L territorium f. terra land
Useful english dictionary. 2012.