Noun: alligator weed 'a-lu,gey-tu(r) weed
- Prolific South American aquatic weed having grasslike leaves and short spikes of white flowers; clogs waterways with dense floating masses
"Alligator weed choked the irrigation canal";
- alligator grass, Alternanthera philoxeroides
Derived forms: alligator weeds
Type of: weed
Part of: Alternanthera, genus Alternanthera
Encyclopedia: Alligator weed