Source : Webster's Revised Unabridged Dictionary (1913)

Delicacy \Del"i*ca*cy\, n.; pl. {Delicacies}. [From {Delicate},
   a.]
   1. The state or condition of being delicate; agreeableness to
      the senses; delightfulness; as, delicacy of flavor, of
      odor, and the like.

            What choice to choose for delicacy best. --Milton.

   2. Nicety or fineness of form, texture, or constitution;
      softness; elegance; smoothness; tenderness; and hence,
      frailty or weakness; as, the delicacy of a fiber or a
      thread; delicacy of a hand or of the human form; delicacy
      of the skin; delicacy of frame.

   3. Nice propriety of manners or conduct; susceptibility or
      tenderness of feeling; refinement; fastidiousness; and
      hence, in an exaggerated sense, effeminacy; as, great
      delicacy of behavior; delicacy in doing a kindness;
      delicacy of character that unfits for earnest action.

            You know your mother's delicacy in this point.
                                                  --Cowper.

   4. Addiction to pleasure; luxury; daintiness; indulgence;
      luxurious or voluptuous treatment.

            And to those dainty limbs which Nature lent For
            gentle usage and soft delicacy?       --Milton.

   5. Nice and refined perception and discrimination; critical
      niceness; fastidious accuracy.

            That Augustan delicacy of taste which is the boast
            of the great public schools of England. --Macaulay.

   6. The state of being affected by slight causes;
      sensitiveness; as, the delicacy of a chemist's balance.

   7. That which is alluring, delicate, or refined; a luxury or
      pleasure; something pleasant to the senses, especially to
      the sense of taste; a dainty; as, delicacies of the table.

            The merchants of the earth are waxed rich through
            the abundance of her delicacies.      --Rev. xviii.
                                                  3.

   8. Pleasure; gratification; delight. [Obs.]

            He Rome brent for his delicacie.      --Chaucer.

   Syn: See {Dainty}.

Source : WordNet®

delicacy
     n 1: the quality of being beautiful and delicate in appearance;
          "the daintiness of her touch"; "the fineness of her
          features" [syn: {daintiness}, {fineness}]
     2: something considered choice to eat [syn: {dainty}, {goody},
        {kickshaw}, {treat}]
     3: refined taste; tact [syn: {discretion}]
     4: smallness of stature [syn: {slightness}]
     5: lack of physical strength [syn: {fragility}]
     6: subtly skillful handling of a situation [syn: {diplomacy}, {discreetness},
         {finesse}]
     7: lightness in movement or manner [syn: {airiness}]