smartweed Hear it!

smartweed definition

smart·weed (-wēd′)

noun

any of various knotgrasses (genus Polygonum) whose acrid juice may cause skin irritation

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.