Definitions

from The Century Dictionary.

  • noun See Pistia.

from the GNU version of the Collaborative International Dictionary of English.

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes

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