adjective

1. of territory or land
2. of, belonging to, or limited to a specific territory, district, or jurisdictional area territorial waters
3. ☆ of a Territory or Territories
4. organized in regional groups for home defense the Territorial Army of Great Britain
5. Ethology characterized by or displaying territoriality

Etymology: LL territorialis

noun

1. a member of a territorial force
2. a member of the British Territorial Army