bitterweed   (TTS Sound)

The noun bitterweed has 2 senses

• oxtongue, bristly oxtongue, bitterweed, bugloss, Picris echioides -- (widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States)


• ragweed, ambrosia, bitterweed -- (any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma)