Definition of "pepo"

pepo

/ˈpiː.pəʊ/

noun
plural pepos
1. A fruit of plants of the gourd family Cucurbitaceae, possessing a hard rind and producing many seeds in a single, central, pulpy chamber.
2. A plant producing such a fruit.
  Quotations
  The Papago claim that their ancient pepo would produce a mature, sweet melon if the ground were wet only once, while the "new" melons would not.
  1945, George Francis Carter, Plant Geography and Culture History in the American Southwest, Issue 5 edition, page 25