VEGETATION
vegetation
(noun) inactivity that is passive and monotonous, comparable to the inactivity of plant life; “their holiday was spent in sleep and vegetation”
vegetation
(noun) an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)
vegetation, flora, botany
(noun) all the plant life in a particular region or period; “Pleistocene vegetation”; “the flora of southern California”; “the botany of China”
vegetation
(noun) the process of growth in plants
Source: WordNet® 3.1
Etymology
Noun
vegetation (countable and uncountable, plural vegetations)
(uncountable) Plants, taken collectively.
(pathology, countable) An abnormal verrucous or fibrinous growth
The act or process of vegetating, or growing as a plant does; vegetable growth.
Source: Wiktionary
Veg`e*ta"tion, n. Etym: [Cf. F. végétation, L. vegetatio an
enlivening. See Vegetable.]
1. The act or process of vegetating, or growing as a plant does;
vegetable growth.
2. The sum of vegetable life; vegetables or plants in general; as,
luxuriant vegetation.
3. (Med.)
Definition: An exuberant morbid outgrowth upon any part, especially upon
the valves of the heart. Vegetation of salts (Old Chem.), a
crystalline growth of an arborescent form.
Source: Webster’s Unabridged Dictionary 1913 Edition