paddymelon /ˈpædiˌmɛlən/ noun1 •(Australia) Any of various cucurbitaceous plants, especially Cucumis myriocarpus, native to Africa but naturalized in inland Australia.Not even an occasional clod of earth stowed in the middle of a sack, or a few hefty paddy-melons, could make the toil profitable. — 1941 formspaddymelons