Laurasia[lô rā′z̸hə, -s̸hə]
the Mesozoic landmass in the Northern Hemisphere that included what are now North America and Eurasia: it and Gondwana were the result of the splitting of Pangea
Origin of LaurasiaLaur(entian) + (Eur)asia
The supercontinent of the Northern Hemisphere that, according to the theory of plate tectonics, broke up into North America, Greenland, Europe, and Asia except for the Indian subcontinent.
Origin of LaurasiaNew Latin Laur(entia), geologic precursor of North America (after the Saint Lawrence River) + (Eur)asia.