vegetation

noun
1

Plants, taken collectively.

"There were large amounts of vegetation in the forest."

2

An abnormal mass on an endocardial surface, especially a heart valve, composed chiefly of fibrin and platelets and often containing microorganisms.

3

An excrescent, verrucous or fibrinous growth on a mucosal or epithelial surface.

4

The act or process of vegetating, or growing as a plant does; vegetable growth.

Source: https://en.wiktionary.org/wiki/vegetation

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