[soo-per-fee-kuh n-dey-shuh n, -fek-uh n-]
the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
Origin of superfecundation
1850–55; super- + fecundation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
physiol the fertilization of two or more ova, produced during the same menstrual cycle, by sperm ejaculated during two or more acts of sexual intercourse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012