Definition of briar noun from the Oxford Advanced Learner's Dictionary



    (also brier) noun
    BrE BrE//ˈbraɪə(r)//
    ; NAmE NAmE//ˈbraɪər//
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  1. 1a wild bush with thorns, especially a wild rose bush
  2. 2a bush with a hard root that is used for making tobacco pipes; a tobacco pipe made from this root
  3. Word Originsense 1 Old English brǣr, brēr, of unknown origin.sense 2 mid 19th cent.: from French bruyère ‘heath, heather’, from medieval Latin brucus.
See the Oxford Advanced American Dictionary entry: briar