A territory (from the word 'terra', meaning 'land') is a defined area (including land and waters),considered to be a possession of a person, organization, institution, animal, state or country subdivision. Territory (country subdivision) a legally administered territory, which is a non-sovereign geographic area that has come under the authority of another government. Territories of Canada, an administrative subdivision of Canada Territories as administrative subdivisions of the United States:… (More on Territory)