Main Entry: su·per·fe·cun·da·tion

Pronunciation: \ˌsü-pər-ˌfek-ən-ˈdā-shən, -ˌfē-kən-\

Function: noun

1 : successive fertilization of two or more ova from the same ovulation especially by different sires
2 : fertilization at one time of a number of ova excessive for the species