digitalis

noun2

1. •
   Any plant of the genus Digitalis (herbaceous plants of the Plantaginaceae family, including the foxglove, Digitalis purpurea).

   • 11. Delphiniums and digitalises. — 1834
2. •
   A medical extract of Digitalis purpurea prescribed for heart failure etc.

   • ‘You very nearly died. I had to give you digitalis three times.’ — 1940