Meaning of vegetation

(noun) all the plant life in a particular region or period; "Pleistocene vegetation"; "the flora of southern California"; "the botany of China"

the process of growth in plants

an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)

inactivity that is passive and monotonous, comparable to the inactivity of plant life; "their holiday was spent in sleep and vegetation"