sow thistle: Meaning and Definition of

sow' this"tle

Pronunciation: (sou), [key]
  1. any composite plant belonging to the genus Sonchus, esp. S. oleraceus, a weed having thistlelike leaves, yellow flowers, and a milky juice.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.