dolly

noun pl. dollies

a doll: a child's word
a tool used to hold a rivet at one end while a head is hammered out of the other end
Dialectal a stick or board for stirring, as in laundering clothes or washing ore
☆ any of several kinds of low, flat, wheeled frames for transporting heavy objects, as in a factory
☆ Film, TV a low, wheeled platform on which the camera is mounted for moving it about the set

intransitive verb dollied, dollying

to move a dolly forward (in), backward (out), etc. in photographing or televising the action

transitive verb

to move (a camera, load, etc.) on a dolly

See dolly in American Heritage Dictionary 4