— superfetate , adj.
/sooh'peuhr fee tay"sheuhn/ , n.
the fertilization of an ovum in a female mammal already pregnant.
[ 1595-1605; superfetat ( us ) (ptp. of superfetare to conceive again while still pregnant, equiv. to super- SUPER- + feta ( re ) to breed (see FETUS) + -tus ptp. suffix) + -ION ]