(n) :
the
seed-bearing part of a plant, often
edible, colourful/colorful and fragrant, produced from a floral
ovary after fertilization; any sweet, edible part of a plant that resembles seed-bearing fruit, even if it does not develop from a floral ovary; also used in a technically imprecise sense for some sweet or sweetish vegetables, such as
rhubarb, that resemble a true fruit or are used in cookery as if they were a fruit
"while cucumber is technically a fruit, one would not usually use it to make jam."