moving or capable of moving from one place to another; not stationary
designating or of engines that move under their own power: locomotive design
noun
an engine that can move about by its own power; esp., an electric, steam, or diesel engine on wheels, designed to push or pull a railroad train
See locomotive in American Heritage Dictionary 4
(lōˌkə-mōˈtĭv)
noun
A self-propelled vehicle, usually electric or diesel-powered, for pulling or pushing freight or passenger cars on railroad tracks.
A driving or pulling force; an impetus: “The US could no longer serve as the locomotive for the world economy”(George Soros).
adjective
a. Of, relating to, or involved in locomotion.
b. Serving to put into motion or propel forward: “It may be that the founding fathers overestimated the locomotive force of the collective and mutual self-interest”(Ian Davidson).