sweet pea definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a climbing annual plant (Lathyrus odoratus) of the pea family, with butterfly-shaped flowers
sweet pea definition by American Heritage Dictionary
An annual climbing herb (Lathyrus odoratus) of the pea family, native to Italy, cultivated for its variously colored, fragrant flowers.