digitalis Meaning, Definition & Usage

  1. noun a powerful cardiac stimulant obtained from foxglove
    digitalin; digitalis glycoside.
  2. noun any of several plants of the genus Digitalis
    foxglove.

WordNet

Dig`i*ta"lis noun
Etymology
NL.: cf. F. digitale. So named (according to Linnæus) from its finger-shaped corolla.
Definitions
  1. (Bot.) A genus of plants including the foxglove.
  2. (Med.) The dried leaves of the purple foxglove (Digitalis purpurea), used in heart disease, disturbance of the circulation, etc.

Webster 1913