Source : Webster's Revised Unabridged Dictionary (1913)

Woodruff \Wood"ruff`\, Woodroof \Wood"roof`\, n. [AS. wudurofe.
   See {Wood}, n., and cf. {Ruff} a plaited collar.] (Bot.)
   A little European herb ({Asperula odorata}) having a pleasant
   taste. It is sometimes used for flavoring wine. See Illust.
   of {Whorl}.