from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The external female sex organ in arachnids.
from The Century Dictionary and Cyclopedia
- n. The female aperture or vulva in arachnids.
She meanwhile presents herself, with four legs cocked mantis-like round her head, and offers to him a small aperture, called the epigyne, at the base of her abdomen.
For example, from a guy in London: "The only comment I would make is that the epigyne looks a little like that of Hypsosinga, although the habitus is, of course, quite different."
If the female lets him, then he inserts the semen into the famale's epigyne with his palp.