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A European creeping plant (Lysimachia nummularia) naturalized in eastern North America, having rounded, opposite leaves and single, axillary yellow flowers. Also called creeping Jenny.
[From the round shape of its leaves.]
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.
(Plants) a European and North American creeping primulaceous plant, Lysimachia nummularia, with round leaves and yellow flowers. Also called: creeping Jennie
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
mon•ey•wort(ˈmʌn iˌwɜrt, -ˌwɔrt)
a creeping plant, Lysimachia nummularia, of the primrose family, having roundish leaves and solitary yellow flowers.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.