Source : Webster's Revised Unabridged Dictionary (1913)

Vermuth \Ver"muth\, n. [F. vermout.]
   A liqueur made of white wine, absinthe, and various aromatic
   drugs, used to excite the appetite. [Written also
   {vermouth}.]

Source : WordNet®

vermouth
     n : any of several white wines flavored with aromatic herbs;
         used as aperitifs or in mixed drinks