The Collaborative International Dictionary of English v.0.48:

Dolly \Dol"ly\, n.; pl. Dollies.
   1. (Mining) A contrivance, turning on a vertical axis by a
      handle or winch, and giving a circular motion to the ore
      to be washed; a stirrer.
      [1913 Webster]

   2. (Mach.) A tool with an indented head for shaping the head
      of a rivet. --Knight.
      [1913 Webster]

   3. In pile driving, a block interposed between the head of
      the pile and the ram of the driver.
      [1913 Webster]

   4. A small truck with a single wide roller used for moving
      heavy beams, columns, etc., in bridge building.
      [1913 Webster]

   5. A compact, narrow-gauge locomotive used for moving
      construction trains, switching, etc.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dolly \Dol"ly\, n.
   A child's mane for a doll.
   [1913 Webster]

   Dolly shop, a shop where rags, old junk, etc., are bought
      and sold; usually, in fact, an unlicensed pawnbroker's
      shop, formerly distinguished by the sign of a black doll.
      [England]
      [1913 Webster]

WordNet (r) 3.0 (2006):

dolly
    n 1: conveyance consisting of a wheeled support on which a
         camera can be mounted
    2: conveyance consisting of a wheeled platform for moving heavy
       objects
    3: a small replica of a person; used as a toy [syn: doll,
       dolly]