Bitterweed
nounverified·updated May 18, 2026
any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
Framework senses
- §1
- any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
- §2
- widespread European weed with spiny tongue-shaped leaves and yellow flowers
- §1 · legacy_primary
- any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthmaDR-088 backfill from the noun definition column