egg·plant 
(ĕgplănt′)
(ĕgplănt′)n.
1.
a. A plant (Solanum melongena) native to India, cultivated for its edible, glossy, usually ovoid fruits that are chiefly purple but can be white, yellow, or green.
b. A fruit of this plant. Also called aubergine.
2. A blackish purple.
[From the appearance of the ovoid fruit, especially of varieties bearing white-skinned fruit.]
eggplantSolanum melongena