territorial

/ˌtɛrɪˈtɔriəl/
noun
  1. A member of a territorial military force, especially in the United Kingdom (often capitalized as Territorial).
    • Many Territorials were called up to help during the flood emergency.
    • The Territorials trained every weekend to stay ready for deployment.
    • He served as a Territorial in the army reserves for ten years.
adjective
  1. Relating to an area of land that is owned or controlled by a person, group, or country.
    • The company expanded its territorial reach by opening offices in three new states.
    • The dog is very territorial and barks at anyone who comes near the yard.
    • The two countries had a territorial dispute over the island.
  2. Describing an animal that defends a specific area against others of its kind.
    • Male lions are highly territorial and will fight to protect their pride's area.
    • Birds often become territorial during nesting season.
    • The fish is territorial and will chase away any other fish that enters its space.
  3. Relating to a territory (a region organized under a government, especially one that is not yet a state).
    • The territorial capital is a small town with a population of just 5,000.
    • The territorial government passed a new law about education.
    • She works for the territorial police force in the northern region.