Definition of Laurasia noun from the Oxford Advanced Learner's Dictionary



BrE BrE//lɔːˈreɪʃə//
; NAmE NAmE//lɔːˈreɪʃə//
; BrE BrE//lɔːˈreɪʒə//
; NAmE NAmE//lɔːˈreɪʒə//
[singular] (geology)
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a very large area of land that existed in the northern hemisphere millions of years ago. It was made up of the present N America, Greenland, Europe and most of Asia.
See the Oxford Advanced American Dictionary entry: Laurasia