Source : Webster's Revised Unabridged Dictionary (1913)

Luscious \Lus"cious\, a. [Prob. for lustious, fr. lusty, or
   perh. a corruption of luxurious. Cf. {Lush}, {Lusty}.]
   1. Sweet; delicious; very grateful to the taste; toothsome;
      excessively sweet or rich.

            And raisins keep their luscious, native taste.
                                                  --Dryden.

   2. Cloying; fulsome.

            He had a tedious, luscious way of talking.
                                                  --Jeffrey.

   3. Gratifying a depraved sense; obscene. [R.] --Steele. --
      {Lus"cious*ly}, adv. -- {Lus"cious*ness}, n.

Source : WordNet®

luscious
     adj 1: having strong sexual appeal; "juicy barmaids"; "a red-hot
            mama"; "a voluptuous woman" [syn: {juicy}, {red-hot},
            {voluptuous}]
     2: extremely pleasing to the sense of taste [syn: {delectable},
         {delicious}, {pleasant-tasting}, {scrumptious}, {toothsome},
         {yummy}]