/ ˌvedʒəˈteɪʃn; NAmE / noun
[ U ] plants in general, especially the plants that are found in a particular area or environment :
The hills are covered in lush green vegetation.
••
WORD ORIGIN
mid 16th cent. (originally referring to the action or process of vegetating): from medieval Latin vegetatio(n-) power of growth, from the verb vegetare , from vegetus active, from vegere be active.