motoneuron motomagnetic • motophone · · · Info · Definitions · Synonyms · Characters · · motoneuron · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a neuron conducting impulses outwards from the brain or spinal cord. Synonyms: motor neuron, efferent neuron, motor nerve fiber. · · Noun Definition 1 Synonyms · · · motor neuron · · Synonym 1 efferent neuron · · Synonym 2 motor nerve fiber · · Synonym 3 Characters · · e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075