Is cilantro a fruit or vegetable?

Cilantro is neither a fruit nor a vegetable, but rather an herb. Herbs are plants that are used for their flavor, fragrance, or medicinal properties, and cilantro is primarily used as a culinary herb. It is the leaf of the Coriandrum sativum plant, and it is commonly used in cuisines around the world to add a fresh, citrusy flavor to dishes.