Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of a genus (Lepidium) of small plants of the crucifer family, with small, whitish flowers and flattened pods, esp. the garden cress
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.
Any of several plants of the genus Lepidium, especially the North American species L. virginicum, having small white flowers and pungent foliage and seeds. Also called peppercress, pepperwort.