Definition of "creosote bush" [cre•o•sote bush]

• Any of several resinous aromatic evergreen shrubs of the genus Larrea, especially L. tridentata, a yellow-flowered plant characteristic of warm deserts in the southwest United States and Mexico. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.