1. (

• vegetation ,
• flora ,
• botany

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

2. (

• vegetation

) the process of growth in plants ;

3. (

• vegetation

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

4. (

• vegetation

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