overgraze definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
overgraze definition by American Heritage Dictionary
transitive verb o·ver·grazed, o·ver·graz·ing, o·ver·graz·es
To permit animals to graze (vegetational cover) excessively, to the detriment of the vegetation.