Source : WordNet®

winter 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: {Persian melon}, {honeydew
          melon}, {winter melon vine}, {Cucumis melo inodorus}]
     2: the fruit of the winter melon vine; a green melon with pale
        green to orange flesh that keeps well