Source : Webster's Revised Unabridged Dictionary (1913)

Pistel \Pis"tel\, Pistil \Pis"til\, n.
   An epistle. [Obs.]

Pistil \Pis"til\, n. [L. pistillum, pistillus, a pestle: cf. F.
   pistil. See {Pestle}.] (Bot.)
   The seed-bearing organ of a flower. It consists of an ovary,
   containing the ovules or rudimentary seeds, and a stigma,
   which is commonly raised on an elongated portion called a
   style. When composed of one carpel a pistil is simple; when
   composed of several, it is compound. See Illust. of {Flower},
   and {Ovary}.

Source : WordNet®

pistil
     n : the female ovule-bearing part of a flower composed of ovary
         and style and stigma