Pronunciation: (tu-mā'tō, -mä'-),[key] —n., —pl.-toes. 1. any of several plants belonging to the genus Lycopersicon, of the nightshade family, native to Mexico and Central and South America, esp. the widely cultivated species L. lycopersicum, bearing a mildly acid, pulpy, usually red fruit eaten raw or cooked as a vegetable.
2. the fruit itself.
3. Older Slang(sometimes offensive). a girl or woman.