Found 2 items, similar to water lettuce.
English → English (WordNet) Definition: water lettuce water lettuce n : pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes [syn: pistia, water cabbage, Pistia stratiotes, Pistia stratoites]
English → English (gcide) Definition: Water lettuce Water lettuce \Wa“ter let”tuce\ (Bot.) A plant (Pistia stratiotes) which floats on tropical waters, and forms a rosette of spongy, wedge-shaped leaves. --J. Smith (Dict. Econ. Plants). [1913 Webster]