Source : Webster's Revised Unabridged Dictionary (1913)

Nervure \Nerv"ure\, n. [F. See {Nerve}.]
   1. (Bot.) One of the nerves of leaves.

   2. (Zo["o]l.) One of the chitinous supports, or veins, in the
      wings of incests.

Source : WordNet®

nervure
     n 1: any of the vascular bundles or ribs that form the branching
          framework of conducting and supporting tissues in a leaf
          or other plant organ [syn: {vein}]
     2: one of the horny ribs that stiffen and support the wing of
        an insect [syn: {vein}]