Persian melon n 1: any of a variety of muskmelon vines having fruit with a smooth white rind and white or greenish flesh that does not have a musky smell [syn: {winter melon}, {Persian melon}, {honeydew melon}, {winter melon vine}, {Cucumis melo inodorus}] 2: the fruit of a variety of winter melon vine; a large green melon with orange flesh