[ ih-pij-uh-nuh m ]
/ ɪˈpɪdʒ ə nəm /

noun Zoology.

the chitinous plate in arachnids that covers the opening to the female genital tract.
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. 2019

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