Dictionary
Laur•a•sia
Pronunciation: (lô-rā'zhu, -shu), [key]—
n. Geol.
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.