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®

absinthe
     n 1: aromatic herb of temperate Eurasia and North Africa having a
          bitter taste used in making the liqueur absinthe [syn: {common
          wormwood}, {old man}, {lad's love}, {Artemisia
          absinthium}]
     2: strong green liqueur flavored with wormwood and anise [syn:
        {absinth}]