What is the meaning of Nervus?

a sinew, tendon, nerve

1. a muscle

   a muscle

   vigor, force, power, strength, energy, nerve

   the penis

   a cord, string, thong or wire

   the string of a musical instrument

   a lyre

   a bowstring

   a bow

   cords or wires by which a puppet is moved

   a thong or iron chains with which a person's feet (or neck) was bound: fetters

   a prison

   the leather with which shields were covered

   a fiber (Can we verify this sense?)

   sinew; tendon (attributively)

   Source: wiktionary.org