Definition of "hop hornbeam" []

• Any of several deciduous trees of the genus Ostrya, especially O. virginiana of eastern North America, having unisexual flowers grouped in catkins and fruit clusters resembling hops. (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.