Wood·ruff Wood·roof n.  Bot. A little European herb (Asperula odorata) having a pleasant taste. It is sometimes used for flavoring wine.  See Illust. of Whorl.
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  Asperula odorata
       n : Old World fragrant stoloniferous perennial having small
           white flowers and narrow leaves used as flavoring and in
           sachets; widely cultivated as a ground cover; in some
           classifications placed in genus Asperula [syn: sweet
           woodruff, waldmeister, woodruff, fragrant bedstraw,
            Galium odoratum]