Found 2 items, similar to superfecundation.
English → English (WordNet) Definition: superfecundation superfecundation n : fertilization of two or more ova released during the same menstrual cycle by sperm from separate acts of coitus (especially by different males)
English → English (gcide) Definition: Superfecundation Superfecundation \Su`per*fec`un*da"tion\, n. (Physiol.) Fertilization of two ova, at the same menstruation, by two different acts of coition. [1913 Webster]