Noun pistia has 1 sense
  1. pistia, water lettuce, water cabbage, Pistia stratiotes, Pistia stratoites - pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes
    --1 is a kind of aquatic plant, water plant, hydrophyte, hydrophytic plant
    --1 is a member of genus Pistia
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