WordNet (r) 3.0 (2006):
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: winter melon, 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