epigynum
[ih-pij-uh-nuh m]
- 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
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 StatesJames Henry Emerton
The openings of the epigynum (fig. 273) are about their diameter apart.
The Common Spiders of the United StatesJames Henry Emerton
The finger of the epigynum is usually absent, as if broken off.
The Common Spiders of the United StatesJames Henry Emerton
The latter is covered in females by an apparatus, sometimes large and complicated, called the epigynum.
The Common Spiders of the United StatesJames Henry Emerton
The plainest difference between the females is in the epigynum, the hard and dark parts of which are larger and longer in incerta.
The Common Spiders of the United StatesJames Henry Emerton