Source : Webster's Revised Unabridged Dictionary (1913)

Doll \Doll\, n. [A contraction of Dorothy; or less prob. an
   abbreviation of idol; or cf. OD. dol a whipping top, D.
   dollen to rave, and E. dull.]
   A child's puppet; a toy baby for a little girl.

Source : WordNet®

doll
     n 1: a small replica of a person; used as a toy [syn: {dolly}]
     2: informal terms for a (young) woman [syn: {dame}, {wench}, {skirt},
         {chick}, {bird}]