common horehound

from WordNet (r) 3.0 (2006)
common horehound
    n 1: European aromatic herb with hairy leaves and numerous white
         flowers in axillary cymes; leaves yield a bitter extract
         use medicinally and as flavoring [syn: {common horehound},
         {white horehound}, {Marrubium vulgare}]
    

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