bitterweed : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: bitterweed	by the DICT Development Group
2 results for bitterweed
From WordNet (r) 3.0 (2006) [wn]:
bitterweed n widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States Synonym(s): oxtongue, bristly oxtongue, bitterweed, bugloss, Picris echioides any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma Synonym(s): ragweed, ambrosia, bitterweed
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Bitterweed \Bit"ter*weed`\, n. (Bot.) A species of Ambrosia ({A. artemisi[91]folia}); Roman worm wood. --Gray.