Source : Webster's Revised Unabridged Dictionary (1913)

Absinth \Ab"sinth`\, Absinthe \Ab"sinthe`\, n. [F. absinthe. See
   {Absinthium}.]
   1. The plant absinthium or common wormwood.

   2. A strong spirituous liqueur made from wormwood and brandy
      or alcohol.

Source : WordNet®

absinth
     n : strong green liqueur flavored with wormwood and anise [syn:
         {absinthe}]