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}. [1913 Webster]