1. Stemless plant having narrow rigid leaves often cultivated as a houseplant
   "Mother-in-law's tongue is known for being nearly impossible to kill";
   - snake plant, Sansevieria trifasciata
    
2. An evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name
   "The mother-in-law's tongue was kept out of reach of children and pets";
   - dumb cane, mother-in-law plant, Dieffenbachia sequine

Derived forms: mother-in-law's tongues

Type of: aroid, arum, bowstring hemp, sansevieria

Part of: Dieffenbachia, genus Dieffenbachia

Encyclopedia: Mother-in-law's tongue