Source : Webster's Revised Unabridged Dictionary (1913)

Gynoecium \Gy*n[oe]"ci*um\, n. [NL., fr. Gr. ? a woman + ?
   house.] (Bot.)
   The pistils of a flower, taken collectively. See Illust. of
   {Carpophore}.

Source : WordNet®

gynoecium
     n : a female gametoecium
     [also: {gynoecia} (pl), {gynoecea} (pl)]