The Collaborative International Dictionary of English v.0.48:

Bugleweed \Bu"gle*weed`\, n. (Bot.)
   A plant of the Mint family and genus Lycopus; esp. Lycopus
   Virginicus, which has mild narcotic and astringent
   properties, and is sometimes used as a remedy for hemorrhage.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Lycopus virginicus
    n 1: a mildly narcotic and astringent aromatic herb having small
         whitish flowers; eastern United States [syn: bugleweed,
         Lycopus virginicus]