winter melon

(noun) 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. Synonyms: winter melon, Persian melon, honeydew melon, winter melon vine, Cucumis melo inodorus.

(noun) the fruit of the winter melon vine; a green melon with pale green to orange flesh that keeps well. Synonyms: winter melon.