rattlesnake weed


a hawkweed, Hieracium venosum, of eastern North America, whose leaves and root are thought to possess medicinal properties.
a carrotlike weed, Daucus pusillus, of southern and western North America.
any of certain other plants, as an umbelliferous plant, Eryngium aquaticum.

Origin of rattlesnake weed

An Americanism dating back to 1750–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019