01 n. 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.
pl.
Dollies
-
1.
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.(Mining)
-
2.
A tool with an indented head for shaping the head of a rivet.(Mach.)
-
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.