Tomato avocados, and squashes of all kinds (such as zucchini and pumpkins) are all botanically fruit, yet cooked as vegetables. This has led to legal dispute in the United States. In 1887, U.S. tariff laws that imposed a duty on vegetables, but not on fruit, caused the tomato's status to become a matter of legal importance. The U.S. Supreme Court settled this controversy on May 10, 1893, by declaring that the tomato is a vegetable, based on the popular definition that classifies vegetables by use—they are generally served with dinner and not dessert ("Nix v. Hedden" (149 U.S. 304)). The holding
Nix v. Hedden the plaintiffs' counsel entered into evidence definitions of the words "fruit" and "vegetables" from Webster's Dictionary, Worcester's Dictionary, and the Imperial Dictionary. They called two witnesses, who had been in the business of selling fruit and vegetables for 30 years, and asked them, after hearing these definitions, to say whether these words had "any special meaning in trade or commerce, different from those read." During testimony, one witness testified that in regard to the dictionary definition: Another witness testified that "I don't think the term 'fruit' or the term 'vegetables' had, in March 1883, and prior thereto, any special meaning