Meaning of Great Basin

Great' Ba'sin

Pronunciation: [key]
  1. a region in the Western U.S. that has no drainage to the ocean: includes most of Nevada and parts of Utah, California, Oregon, and Idaho. 210,000 sq. mi. (544,000 sq. km).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.