Source : Webster's Revised Unabridged Dictionary (1913)

Darling \Dar"ling\, n. [OE. derling, deorling, AS. de['o]rling;
   de['o]re dear + -ling. See {Dear}, and {-ling}.]
   One dearly beloved; a favorite.

         And can do naught but wail her darling's loss. --Shak.

Darling \Dar"ling\, a.
   Dearly beloved; regarded with especial kindness and
   tenderness; favorite. ``Some darling science.'' --I. Watts.
   ``Darling sin.'' --Macaulay.

Source : WordNet®

darling
     adj : dearly loved [syn: {beloved}, {dear}]
     n 1: a special loved one [syn: {favorite}, {favourite}, {pet}, {dearie},
           {deary}, {ducky}]
     2: an Australian river; tributary of the Murray River [syn: {Darling
        River}]