Webster’s Revised Unabridged Dictionary · 1913
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.
2. (Mach.) A tool with an indented head for shaping the head of a rivet. Knight.
3. In pile driving, a block interposed between the head of the pile and the ram of the driver.
4. A small truck with a single wide roller used for moving heavy beams, columns, etc., in bridge building.
5. A compact, narrow-gauge locomotive used for moving construction trains, switching, etc.
Dol′ly (dŏl′ly̆), n. A child's mane for a doll.
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]