The Collaborative International Dictionary of English v.0.48:

Foxglove \Fox"glove`\, n. [AS. foxes-gl[=o]fa,
   foxes-cl[=o]fa,foxes-clife.] (Bot.)
   Any plant of the genus Digitalis. The common English
   foxglove (Digitalis purpurea) is a handsome perennial or
   biennial plant, whose leaves are used as a powerful medicine,
   both as a sedative and diuretic. See Digitalis.
   [1913 Webster]

         Pan through the pastures oftentimes hath run
         To pluck the speckled foxgloves from their stem. --W.
                                                  Browne.
   [1913 Webster]

WordNet (r) 3.0 (2006):

foxglove
    n 1: any of several plants of the genus Digitalis [syn:
         foxglove, digitalis]