any composite plant of the genus Hieracium, usually bearing yellow flowers.
any of various related plants.
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How to use hawkweed in a sentence
I have since learned that the plant is Hieracium aurantiacum from Europe, a kind of hawkweed.Riverby | John Burroughs
The heath glittered in the sun, the withered hawkweed crackled at his feet, a warm wind blew softly towards him.Dame Care | Hermann Sudermann
One species at least is a common wayside flower, and this is the Shrubby hawkweed (H. boreale).Field and Woodland Plants | William S. Furneaux
For the same reason I had rather say “hawkweed” than “hieracium”; the homelier word has more of kindly friendship.The Private Papers of Henry Ryecroft | George Gissing
My two exceptions shall be John-go-to-bed-at-noon and the hairy hawkweed, both of them common English meadow-plants.Science in Arcady | Grant Allen
British Dictionary definitions for hawkweed
any typically hairy plant of the genus Hieracium, with clusters of dandelion-like flowers: family Asteraceae (composites)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012