tree of heaven[trēˈəv-hĕvˈən]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a fast-growing ailanthus (Ailanthus altissima), native to China but widely cultivated in the U.S. as a shade tree
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A deciduous, rapidly growing tree (Ailanthus altissima) native to China, having sweetish fetid male flowers and widely planted in the United States as a street tree because of its resistance to pollution, disease, and insects.