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epigynum

American  
[ih-pij-uh-nuhm] / ɪˈpɪdʒ ə nəm /
Also epigyne

noun

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


Etymology

Origin of epigynum

1890–95; < New Latin, equivalent to epi- epi- + -gynum < Greek -gynon, neuter of -gynos; see -gynous

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