siring

/S AY1 R IH0 NG/
verb
  1. 1

    (of a male) to procreate; to father, beget, impregnate.

noun
  1. 1

    An act of procreation, especially between animals.

Source: https://en.wiktionary.org/wiki/sire, https://en.wiktionary.org/wiki/siring