Definition of mother-in-law's tongue in US English:

mother-in-law's tongue


  • A West African plant of the agave family, having long slender leaves with yellow marginal stripes, often grown as a houseplant.

    Sansevieria trifasciata, family Agavaceae

    • ‘If the bathroom is cold for most of the day, choose sansevierias (mother-in-law's tongue) - which will also survive in a poorly lit bathroom - or Nepenthes alata, a carnivorous plant with unusual hanging red traps.’
    • ‘All over the Caribbean, it is known as ‘mother-in-law's tongue’.’
    • ‘For instance they won't eat anything in the aloe family or leathery leafed plants such as mother-in-law's tongue.’


mother-in-law's tongue

/ˈməT͟Hər ən ˌlôz ˌtəNG/