noun. The fruit of any of various related plants, such as the cantaloupe, watermelon, cucumber, squash, pumpkin, and melon, having a hard or leathery rind, fleshy pulp, and numerous flattened seeds.

noun. A fruit of plants of the gourd family Cucurbitaceae, possessing a hard rind and producing many seeds in a single, central, pulpy chamber.

noun. A plant producing such a fruit.

"All members of the family bear a fruit called a pepo, which is the edible portion that we call the squash, melon, pumpkin or cucumber."

cucumber  cucurbit  gourd  melon  pumpkin