D defs.my
Entry 1 sense Webster, 1913

Superfetate

· Su·per·fe·tate · IPA
01 v. i. To conceive after a prior conception, but before the birth of the offspring.
  1. 1.
    To conceive after a prior conception, but before the birth of the offspring.
    “The female . . . is said to superfetate.” — Grew.