Definition of "winter cress" []

• Any of various herbs of the genus Barbarea of the mustard family, having pinnately divided basal leaves and yellow flowers. (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.