mother-in-law's tongue English

Meaning mother-in-law's tongue meaning

What does mother-in-law's tongue mean?

mother-in-law's tongue

— noun (= mother-in-law''s tongue) stemless plant having narrow rigid leaves often cultivated as a houseplant

— noun (= dumb cane) an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name