noun
pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes
• Syn: ↑water lettuce, ↑water cabbage, ↑Pistia stratiotes, ↑Pistia stratoites
• Hypernyms: ↑aquatic plant, ↑water plant, ↑hydrophyte, ↑hydrophytic plant
• Member Holonyms: ↑genus Pistia
Useful english dictionary. 2012.