1. a hawkweed, Hieracium venosum, of eastern North America, whose leaves and root are thought to possess medicinal properties.
2. a carrotlike weed, Daucus pusillus, of southern and western North America.
3. any of certain other plants, as an umbelliferous plant, Eryngium aquaticum.
4. See rattlesnake plantain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.