Source : Webster's Revised Unabridged Dictionary (1913)

Anther \An"ther\, n. [F. anth[`e]re, L. anthera a medicine
   composed of flowers, fr. Gr. ? flowery, fr. 'anqei^n to
   bloom, 'a`nqos flower.] (Bot.)
   That part of the stamen containing the pollen, or fertilizing
   dust, which, when mature, is emitted for the impregnation of
   the ovary. -- {An"ther*al}, a.

Source : WordNet®

anther
     n : the part of the stamen that contains pollen; usually borne
         on a stalk