1. areas of land under the jurisdiction of a ruler or state
2. areas defended by an animal or group of animals
Usage: biology
3. areas of knowledge, activity, or experience
Usage: figurative

Examples

• The empire expanded its territories through conquest.
• Several new territories were added to the nation.
• Male birds often defend their territories during mating season.
• Wolves mark their territories with scent.
• The discussion moved into unfamiliar territories.
• She explored new territories in modern art.
• The company is expanding into overseas territories.