Source : Webster's Revised Unabridged Dictionary (1913)

Stamen \Sta"men\, n.; pl. E. {Stamens}(used only in the second
   sense); L. {Stamina}(in the first sense). [L. stamen the
   warp, a thread, fiber, akin to Gr. ? the warp, fr. ? to
   stand, akin to E. stand. See {Stand}, and cf. {Stamin},
   {Stamina}.]
   1. A thread; especially, a warp thread.

   2. (pl. {Stamens}, rarely {Stamina}.) (Bot.) The male organ
      of flowers for secreting and furnishing the pollen or
      fecundating dust. It consists of the anther and filament.

Source : WordNet®

stamen
     n : the male reproductive organ of a flower
     [also: {stamina} (pl)]