to·ma·to 
(tə-mātō, -mä-)
(tə-mātō, -mä-)n. pl. to·ma·toes
1. A widely cultivated plant (Solanum lycopersicum syn. Lycopersicon esculentum)in the nightshade family, having edible, fleshy, usually red fruit. The tomato is native to and was first domesticated in northern South America.
2. The fruit of this plant.
[Alteration of Spanish tomate, from Nahuatl tomatl, fleshy globose fruit, tomatillo, tomato.]
to·mato·ey (-tō-ē) adj.