Source : Webster's Revised Unabridged Dictionary (1913)

Nectarine \Nec"tar*ine\, a.
   Nectareous. [R.] --Milton.

Nectarine \Nec"tar*ine\, n. [Cf. F. nectarine. See {Nectar}.]
   (Bot.)
   A smooth-skinned variety of peach.

   {Spanish nectarine}, the plumlike fruit of the West Indian
      tree {Chrysobalanus Icaco}; -- also called {cocoa plum}.
      it is made into a sweet conserve which a largely exported
      from Cuba.

Source : WordNet®

nectarine
     n 1: variety or mutation of the peach bearing smooth-skinned
          fruit with usually yellow flesh [syn: {nectarine tree},
          {Prunus persica nectarina}]
     2: smooth-skinned variety or mutation of the peach