Meaning

1. nerve (bundle of neurons with their connective tissue sheaths, blood vessels, and lymphatics)
2. midrib, nerve (vein in a leaf; a grain in wood)
3. knack, acumen (innate ability to do something)
4. (informal) nerves (one's neural structures considered collectively as, and conceptually equated with, one's psyche)
5. nerves (mental agitation caused by fear, stress, or other negative emotions)
6. neurosis (mental disorder, less severe than psychosis, marked by anxiety or fear which differ from normal measures by their intensity, which disorder results from a failure to compromise or properly adjust during the developmental stages of life, between normal human instinctual impulses and the demands of human society)