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n. 1. Something, such as a machine or an engine, that produces or imparts motion. 2. A device that converts any form of energy into mechanical energy, especially an internal-combustion engine or an arrangement of coils and magnets that converts electric current into mechanical power. 3. A motor vehicle, especially an automobile: "It was a night of lovers. All along the highway ... motors were parked and dim figures were clasped in revery" (Sinclair Lewis). adj. 1. Causing or producing motion: motor power. 2. Driven by or having a motor. 3. Of or for motors or motor vehicles: motor oil. 4. Of, relating to, or designating nerves that carry impulses from the nerve centers to the muscles. 5. Involving or relating to movements of the muscles: motor coordination; a motor reflex. v. mo·tored, mo·tor·ing, mo·tors v.intr. To drive or travel in a motor vehicle. v.tr. To carry by motor vehicle. [Middle English motour, prime mover, from Latin mōtor, from mōtus, past participle of movēre, to move; see meuə- in the Appendix of Indo-European roots.] |
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