noun
American plant with roundish heart-shaped or kidney-shaped leaves; usually rooted in muddy bottoms of ponds and ditches
• Syn: ↑American frogbit
• Hypernyms: ↑aquatic plant, ↑water plant, ↑hydrophyte, ↑hydrophytic plant
• Member Holonyms: ↑Limnobium, ↑genus Limnobium
Useful english dictionary. 2012.