locomotive

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.

Of, relating to, or involved in locomotion.

Serving to put into motion or propel forward.

Able to move independently from place to place.

Of or relating to a self-propelled locomotive.

Of or relating to travel.

Moving from place to place; changing place, or able to effect change of (its own) place: as, a locomotive animal.

Having the power to produce motion, or to move (something else) from place to place: as, a locomotive organ of the body; a locomotive engine.