Source : Webster's Revised Unabridged Dictionary (1913)

Insemination \In*sem`i*na"tion\, n.
   A sowing. [Obs.]

Source : WordNet®

insemination
     n 1: the act of sowing (of seeds in the ground or, figuratively,
          of germs in the body or ideas in the mind, etc.)
     2: the introduction of semen into the genital tract of a female