[ T ] to break the surface of the skin by rubbing against something rough:

[ T ] If an object grazes something, it touches its surface lightly when it passes it:

[ I or T ] to (cause animals to) eat grass:

[ I ] informal to eat small amounts of food many times during the day instead of sitting down to eat meals at particular times:

an injury on the surface of your skin caused by rubbing it against something rough: