Meaning of Laurasia

Laur•a•sia

Pronunciation: (lô-rā'zhu, -shu), [key]
— n. Geol.
  1. a hypothetical landmass in the Northern Hemisphere near the end of the Paleozoic Era: split apart to form North America and Eurasia. Cf. Gondwana.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: