The Collaborative International Dictionary of English v.0.48:

Glycyrrhiza \Glyc`yr*rhi"za\, n. [L., fr. Gr. ?; ? sweet + ?
   root. Cf. Licorice.]
   [1913 Webster]
   1. (Bot.) A genus of papilionaceous herbaceous plants, one
      species of which (G. glabra), is the licorice plant, the
      roots of which have a bittersweet mucilaginous taste.
      [1913 Webster]

   2. (Med.) The root of Glycyrrhiza glabra (liquorice root),
      used as a demulcent, etc.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Glycyrrhiza
    n 1: sticky perennial Eurasian herbs [syn: Glycyrrhiza, genus
         Glycyrrhiza]