What is fruit? What is fruit? Result; outcome: the fruit of their labor. The ripened ovary or ovaries of a seed-bearing plant, together with accessory parts, containing the seeds and occurring in a wide variety of forms.An edible, usually sweet and fleshy form of such a structure.A part or an amount of such a plant product, served as food: fruit for dessert. The fertile, often spore-bearing structure of a plant that does not bear seeds.A plant crop or product: the fruits of the earth. Offspring; progeny.A fruity aroma or flavor in a wine.Offensive Slang Used as a disparaging term for a homosexual man.To produce or cause to produce fruit.