from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One regarded as the initial source of energy directed toward a goal: Patriotism was the prime mover of the revolution.
- n. The initial force, such as electricity, wind, or gravity, that engages or moves a machine.
- n. A machine or mechanism that converts natural energy into work. Also called primum mobile.
- n. Any of various heavy-duty trucks or tractors.
- n. Philosophy In Aristotelian philosophy, the self-moved being that causes all motion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The initial agent that is the cause of all things.
- n. A machine, such as a water wheel or steam engine, that receives and modifies energy as supplied by some natural source or fuel and transforms it into mechanical work
- n. The front part of a semi-trailer type truck, i.e., the tractor to which the trailer part attaches.
- n. A military or heavy construction vehicle.
from the GNU version of the Collaborative International Dictionary of English
- adj. The original or the most effective force in any undertaking or work.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an agent that is the cause of all things but does not itself have a cause
Originally in translation of Latin primum mobile. (Wiktionary)