| Noun | 1. | mother-in-law's tongue - stemless plant having narrow rigid leaves often cultivated as a houseplantsansevieria, bowstring hemp - grown as a houseplant for its mottled fleshy sword-shaped leaves or as a source of fiber |
| 2. | mother-in-law's tongue - an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the namearoid, arum - any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe Dieffenbachia, genus Dieffenbachia - evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants |