Something, such as a machine or an engine, that produces or imparts motion, One who or that which imparts motion; a source or originator of mechanical power; a moving power, as water, steam, etc, A machine or device that converts any form of energy into mechanical energy, or imparts motion, verb_ To drive around leisurely in a motorised vehicle, travel or be transported in a vehicle, adjective_ conveying information to the muscles from the CNS, causing or able to cause motion, biology describing neurons that create the ability to move