• synonyms


[ih-pij-uh-nuh m]
noun Zoology.
  1. the chitinous plate in arachnids that covers the opening to the female genital tract.
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Also ep·i·gyne [ep-i-jahyn] /ˈɛp ɪˌdʒaɪn/.

Origin of epigynum

1890–95; < New Latin, equivalent to epi- epi- + -gynum < Greek -gynon, neuter of -gynos; see -gynous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for epigynum

Historical Examples

  • Its size and markings are the same, and the epigynum is like that of longipes.

    The Common Spiders of the United States

    James Henry Emerton

  • The openings of the epigynum (fig. 273) are about their diameter apart.

  • The finger of the epigynum is usually absent, as if broken off.

  • The latter is covered in females by an apparatus, sometimes large and complicated, called the epigynum.

  • The plainest difference between the females is in the epigynum, the hard and dark parts of which are larger and longer in incerta.