territoriality
🇺🇸
/ˌterəˌtɔːriˈæləti/
🇬🇧
/ˌterəˌtɔːriˈæləti/
The behavior of claiming and protecting an area as one's own.
The dog showed strong territoriality by barking at strangers who came near its home.
犬は自分の家に近づく不特定多数に対して強力な領域性を見せ、吠えました。