n. In phytogeography, the sum total, or a local aggregate, of plant individuals, often of many species, viewed with reference to their ecological adjustment to each other and to all the efficient factors of their environment: contrasted with flora, which denotes a scheme of species rather than a sum of individuals.n. The act or process of vegetating; the process of growing exhibited by plants.n. Plants collectively: as, luxuriant vegetation.n. In pathology, an excrescence or growth on any surface of the body.