motor nerve fiber(n = noun.body) efferent neuron, motoneuron, motor neuron - a neuron conducting impulses outwards from the brain or spinal cord;
is a kind of nerve cell, neuron
is a part of efferent, efferent nerve, motor nerve

abdominal nerve plexus, abducens nerve, abducent nerve, accessory nerve, acoustic nerve, acrylic fiber, afferent nerve, animal fiber, anterior crural nerve, auditory nerve, bast fiber, castor fiber, cervical nerve, coccygeal nerve, cotton fiber, cranial nerve, cubital nerve, depressor nerve, diesel motor, efferent nerve, eighth cranial nerve, electric motor, eleventh cranial nerve, facial nerve, femoral nerve, fiber, fiber bundle, fiber optic cable, fiber optics, fifth cranial nerve, first cranial nerve, fourth cranial nerve, free nerve ending, glass fiber, glossopharyngeal nerve, hereditary motor and sensory neuropathy, hypoglossal nerve, induction motor, lumbar nerve, man-made fiber, medullated nerve fiber, motor, motor aphasia, motor area, motor ataxia, motor car, motor city, motor control, motor cortex, motor cycle, motor end plate, motor generator, motor home, motor horn, motor hotel, motor inn, motor lodge, motor memory, motor mower, motor nerve, motor neuron, motor oil, motor pool, motor region, motor scooter, motor torpedo boat, motor vehicle, muscle fiber, musculospiral nerve, myelinated nerve fiber, natural fiber, nerve, nerve agent, nerve block anaesthesia, nerve block anesthesia, nerve cell, nerve center, nerve centre, nerve compression, nerve deafness, nerve end, nerve ending, nerve entrapment, nerve fiber, nerve fibre, nerve gas, nerve growth factor, nerve impulse, nerve pathway, nerve plexus, nerve tissue, nerve tract, ninth cranial nerve, oculomotor nerve, olfactory nerve, optic nerve, optical fiber, organophosphate nerve agent, outboard motor, phrenic nerve, plant fiber, pneumogastric nerve, polyester fiber, purkinje fiber, pyramidal motor system, radial nerve, sacral nerve, saphenous nerve, sciatic nerve, second cranial nerve, sensory nerve, series motor, seventh cranial nerve, sixth cranial nerve, spinal nerve, splanchnic nerve, staple fiber, starter motor, starting motor, stepping motor, striated muscle fiber, synchronous motor, synthetic fiber, tampico fiber, tenth cranial nerve, third cranial nerve, thoracic nerve, trigeminal nerve, trochlear nerve, twelfth cranial nerve, ulnar nerve, vagus nerve, vestibulocochlear nerve, vulcanized fiber, wandering nerve, water motor, wiper motor