A vast continental area believed to have existed in the northern hemisphere and to have resulted from the break-up of Pangaea in Mesozoic times. It comprised the present North America, Greenland, Europe, and most of Asia north of the Himalayas.
Definition of Laurasia in US English:
Laurasia
proper nounlôˈrāZHə
A vast continental area believed to have existed in the northern hemisphere and to have resulted from the breakup of Pangaea in Mesozoic times. It comprised the present North America, Greenland, Europe, and most of Asia north of the Himalayas.