ingravidate

from The Collaborative International Dictionary of English v.0.48

Ingravidate \In*grav"i*date\, v. t. [L. ingravidatus, p. p. of
   ingravidare to impregnate. See 1st {In-}, and {Gravidated}.]
   To impregnate. [Obs.] --Fuller.
   [1913 Webster]