from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The entry of several sperm into one ovum during fertilization.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The penetration of an ovum by more than one sperm
from the GNU version of the Collaborative International Dictionary of English
- n. Fullness of sperm, or seed; the passage of more than one spermatozoön into the vitellus in the impregnation of the ovum.
from The Century Dictionary and Cyclopedia
- n. Impregnation of an ovum by more than one spermatozoön.
Sorry, no etymologies found.