The Collaborative International Dictionary
Seminific
Seminific \Sem`i*nif"ic\, Seminifical \Sem`i*nif"ic*al\, a. [L. semen, seminis, seed + facere to make.] (Biol.) Forming or producing seed, or the male generative product of animals or of plants.
Wiktionary
seminific
a. (context biology English) Forming or producing semen; seminiferous.