Lewis Short
praegnātĭo (noun F) : praegnas
* A getting with child or with young, a making pregnant; a being with child or with young, pregnancy (ante- and post-class.).
* Lit., App. M. 1, p. 106, 21.—Of animals, Varr. R. R. 2, 1.
* Transf., of plants, Varr. R. R. 1, 44.
* Trop., the cause of fertility, the universal productiveness of nature: o naturarum omnium fecunda praegnatio,App. Trismeg. p. 101, 30.
Charlton T. Lewis, Charles Short, A Latin Dictionary