medicinal

Short definition from Wiktionary

Adjective

1. 1
   Having the properties of medicine, or pertaining to medicine; medical.
2. 2
   Tending or used to cure disease or relieve pain.
3. 3
   Tasting like medicine; particularly of unpleasant or artificial sweet or bitter flavours similar to cherry, almond or licorice.

Noun

1. 1
   Any plant that can be used for medicinal purposes.