See water elm.
[After Johann Jacob Planer (1743-1789), German botanist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a small swamp elm, Planera aquatica, of the southern U.S., bearing a small, ovoid, nutlike fruit.
[1800–10, Amer.; after I. J. Planer, 18th-century German botanist]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.