Water lettuce

Wa´ter let´tuce

1.

(Bot.) A plant (Pistia stratiotes) which floats on tropical waters, and forms a rosette of spongy, wedge-shaped leaves.

Thesaurus

Noun

1.

water lettuce - pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes pistia, Pistia stratiotes, Pistia stratoites, water cabbage genus Pistia - one species: water lettuce aquatic plant, hydrophyte, hydrophytic plant, water plant - a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth