Definition of "mountain laurel" [mountain laurel]

• An evergreen shrub (Kalmia latifolia) of eastern North America, having leathery poisonous leaves and clusters of pink or white flowers. Also called calico bush. (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.