tomato
Americannoun
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any of several plants belonging to the genus Lycopersicon, of the nightshade family, native to Mexico and Central and South America, especially the widely cultivated species L. lycopersicum, bearing a mildly acid, pulpy, usually red fruit eaten raw or cooked as a vegetable.
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the fruit itself.
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Older Slang: Sometimes Offensive. a girl or woman.
noun
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a solanaceous plant, Lycopersicon (or Lycopersicum ) esculentum, of South America, widely cultivated for its red fleshy many-seeded edible fruits
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the fruit of this plant, which has slightly acid-tasting flesh and is eaten in salads, as a vegetable, etc
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slang a girl or woman
Usage
What is a tomato? A tomato is a pulpy fruit from the genus Lycopersicon, usually eaten raw or cooked as a vegetable. Culturally, tomatoes are most often enjoyed as a vegetable, but they are botanically classified as a fruit because the tomato is a developed ovary of a seed plant. Scientifically, they are classified as a berry because the tomato develops from a single flower and does not contain a pit. There are several species of tomato. Most are native to Central and South America, with many species being farmed in Mexico. The most common tomato purchased and eaten is the L. lycopersicum, also known as the garden tomato. As it grows, the color of its skin changes from green to dark red and is commonly used for food products like ketchup, tomato sauce, and soups. Other types of tomatoes include cherry tomatoes or Lycopersicon esculentum, named for their small, red appearance similar to a cherry. Currant tomatoes, or Solanum pimpinellifolium, are known for their small size and sweet flavor, while beefsteak tomatoes, or Solanum lycopersicum, grow to be very large and have ridges similar to a pumpkin or gourd. Heirloom tomatoes, which are non-hybrids, come in a variety of sizes and colorsExample: Guinea pigs love cherry tomatoes because they are small and sweet.
Other Word Forms
Etymology
Origin of tomato
1595–1605; 1915–20 tomato for def. 3; earlier tomate < Spanish < Nahuatl tomatl
Compare meaning
How does tomato compare to similar and commonly confused words? Explore the most common comparisons:
Explanation
Although usually called a vegetable and eaten as such, the tomato is actually a fruit that can be eaten raw or cooked. It might be red or yellow in various sizes, and comes in shapes from round to pear-shaped. Since the tomato is native to South America, it makes sense that its name is based in the Spanish tomate, and can be traced to the Aztecs, whose language, Nahuatl, contained the word tomatl, or "the swelling fruit." In 1519, Cortez brought tomato seeds to Spain, where the plant was grown as an ornament but not for eating. The French called them pommes d'amour, or “love apples,” and in 1929 the word became American slang for a pretty girl.
Vocabulary lists containing tomato
Red
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English Words Derived from Nahuatl
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Spelling Practice 2, Unit 7
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Following a washout period, they consumed a low-carotenoid tomato juice for another four weeks.
From Science Daily • May 30, 2026
Sauté onions and garlic in olive oil, add ground chicken and cook until almost browned, then pour in tomato sauce and let everything simmer.
From Salon • May 22, 2026
The authors introduce the idea of the gumline, the mushy, undercooked top of a crust onto which too much tomato sauce has been slopped.
From The Wall Street Journal • May 22, 2026
Two Californians claim the company is committing tomato fraud.
From Los Angeles Times • May 12, 2026
The miller’s face turned a deeper red than his cherry tomato tunic.
From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.