Oxford Advanced American Dictionary

Definition of tomato noun from the Oxford Advanced Learner's Dictionary

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tomato

noun
tomato pronunciation English təˈmɑːtəʊ tomato pronunciation American təˈmeɪtoʊ
[countable, uncountable] plural tomatoes
 
a soft fruit with a lot of juice and shiny red skin that is eaten as a vegetable either raw or cooked
a bacon, lettuce and tomato sandwichsliced tomatoestomato plants