noun (n)

• egg-shaped vegetable having a shiny skin typically dark purple but occasionally white or yellow(noun.food)

  Synonym:
  aubergine, mad apple
  

  source: wordnet30
• hairy upright herb native to southeastern Asia but widely cultivated for its large glossy edible fruit commonly used as a vegetable(noun.plant)

  Synonym:
  aubergine, brinjal, eggplant bush, garden egg, mad apple, solanum melongena
  

  source: wordnet30
• A plant (Solanum Melongena), of East Indian origin, allied to the tomato, and bearing a large, smooth, edible fruit, shaped somewhat like an egg; mad-apple.(noun)

  source: webster1913