(1):

(n.) A child's mane for a doll.

(2):

(n.) A compact, narrow-gauge locomotive used for moving construction trains, switching, etc.

(3):

(n.) In pile driving, a block interposed between the head of the pile and the ram of the driver.

(4):

(n.) A small truck with a single wide roller used for moving heavy beams, columns, etc., in bridge building.

(5):

(n.) A tool with an indented head for shaping the head of a rivet.

(6):

(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.