Tomato (noun)

1. A round, red or yellow fruit that is eaten as a vegetable and is used in cooking.
2. A plant of the nightshade family which bears the tomato fruit.

Origin:

Early 17th century: from spanish tomate, from nahuatl tomatl.

Examples:

1. I put tomatoes in my salad.
2. Tomato sauce is a staple in Italian cuisine.
3. He grew tomatoes in his garden.
4. She sliced the tomato for her sandwich.
5. The tomato is a fruit but it is used as a vegetable.