n widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
n any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
Through the scrub pines and bitterweed, they bulldozed a path to the dam, then brought up a lumbering dragline whose huge bucket shovel began chewing a V-shaped wedge out of .
North Carolina in October is a land of quiet towns, paved roads busy with the traffic of harvest time, fields bright with yellow bitterweed, people warmed and sleepy in the last .