1. in a manner relating to territory or land area
2. in a protective or defensive manner regarding one’s domain

Examples

• The country expanded territorially during the 19th century.
• The birds behave territorially during mating season.
• The company operates territorially across three states.
• Wolves mark their boundaries territorially with scent.
• The nation was divided territorially into separate zones.
• Male lions act territorially to protect their pride.
• The treaty defined borders territorially and politically.