The Collaborative International Dictionary of English v.0.48:

Nerve \Nerve\ (n[~e]rv), v. t. [imp. & p. p. Nerved
   (n[~e]rvs); p. pr. & vb. n. Nerving.]
   To give strength or vigor to; to supply with force; as, fear
   nerved his arm.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Nerved \Nerved\ (n[~e]rvd), a.
   1. Having nerves of a special character; as, weak-nerved.
      [1913 Webster]

   2. (Bot.) Having nerves, or simple and parallel ribs or
      veins. --Gray.
      [1913 Webster]