Vegetation \Veg`e*ta"tion\, n. [Cf. F. v['e]g['e]tation, 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.) 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 Revised Unabridged Dictionary (1913)