Territorial

UK: 'territorial': /ˌtɛrɪˈtɔːriəl/; 'Territorial': /ˌtɛrɪˈtɔːrɪəl/

US: /ˌtɛrɪˈtɔriəl/

US: (ter′i tôr′ē əl, -tōr′-)

Collins Concise English Dictionary © HarperCollins Publishers::

Territorial / ˌtɛrɪˈtɔːrɪəl/ noun

1. a member of a territorial army, esp the British Army's Territorial and Volunteer Reserve

WordReference Random House Learner's Dictionary of American English © 2026

ter•ri•to•ri•al /ˌtɛrɪˈtɔriəl/   adj. 

1. of or relating to territory or land:
   territorial claims.
2. of or relating to a particular area.

See -terr-.

WordReference Random House Unabridged Dictionary of American English © 2026

ter•ri•to•ri•al  (ter′i tôr′ē əl, -tōr′-), adj. 

1. of or pertaining to territory or land.
2. of, pertaining to, associated with, or restricted to a particular territory or district;
   local.
3. Government pertaining or belonging to the territory of a state or ruler.
4. Animal Behavior (of an animal) characterized by territoriality;
   defending an area against intruders, esp. of the same species.
5. Government (often cap.) of or pertaining to a territory of the U.S.
6. Military (cap.) organized on a local basis for home defense:
   the British Territorial Army.

n. 

7. Military (cap.) a member of the British Territorial Army.
8. Military a soldier in a territorial army.

• Late Latin territōriālis. See territory, -al¹
• 1615–25

ter′ri•to′ri•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

territorial / ˌtɛrɪˈtɔːrɪəl/ adjective

1. of or relating to a territory or territories
2. restricted to or owned by a particular territory
3. local or regional
4. pertaining to a territorial army, providing a reserve of trained men for use in emergency

ˌterriˈtorially adverb