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WordNet
mother-in-law's tongue
  1. n. stemless plant having narrow rigid leaves often cultivated as a houseplant [syn: snake plant, Sansevieria trifasciata]

  2. a evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name [syn: dumb cane, mother-in-law plant, Dieffenbachia sequine]