Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alligator_grass
1 sense of alligator grass
Sense 1
alligator weed, alligator grass, Alternanthera philoxeroides -- (prolific South American aquatic weed having grasslike leaves and short spikes of white flowers; clogs waterways with dense floating masses)
=> weed -- (any plant that crowds out cultivated plants)