These Vegetables Are Technically Fruits. Botanically speaking, vegetables are almost any edible part of a plant. This could mean flower buds, like broccoli, or roots, like carrots. . On the other hand, fruit is defined as the mature, ripened ovary of a plant and its contents, aka seeds. . Because of these technical definitions, here are 11 vegetables that are actually fruits. . 1. Avocados . 2. Olives. 3. Corn. 4. Cucumbers. 5. Zucchini. 6. Pumpkins. 7. Okra. 8. String Beans. 9. Eggplants. 10. Peppers. 11. Tomatoes