The area comprising the Bering Strait and adjacent parts of Siberia and Alaska (used especially in connection with the migration of animals across the former Bering land bridge).
Definition of Beringia in US English:
Beringia
proper nounbəˈrinjēə
The area comprising the Bering Strait and adjacent parts of Siberia and Alaska, especially in connection with the migration of animals across the former Bering land bridge.