overgrazingnoun [ U ]
uk/ˌəʊ.vəˈɡreɪ.zɪŋ//ˌoʊ.vɚ-/specializeda situation in which there are too many cows or other animals eating grass in an area, which damages the environment:
Another problem is erosion of stream banks caused by overgrazing.
overgraze
verb [ T ] /ˌəʊ.vəˈɡreɪz//ˌoʊ.vɚ-/specialized
The pasture land had little grass on it, indicating that it had been overgrazed.