medullated nerve myelinated nerve. mixed nerve (nerve of mixed fibers) a nerve composed of both sensory (afferent) and motor (efferent) fibers. motor nerve a peripheral efferent nerve that stimulates muscle contraction. myelinated nerve one whose axons are encased in a myelin sheath; called also medullated nerve. peripheral nerve any nerve outside the central nervous system.
enterprise. 1. Something undertaken, especially something requiring extensive planning and work: project, undertaking, venture. 2.
Wiktionary(5.00 / 1 vote)Rate this definition: 1  enterprise(Noun) A company, business, organization, or other purposeful endeavor. 2  enterprise(Noun) An undertaking or project, especially a daring and courageous one. 3  enterprise(Noun) A willingness to undertake new or risky projects; energy and initiative.