擦子;磨碎的人
Grater \Grat"er\, a. [From Qrate, v.] One who, or that which, grates; especially, an instrument or utensil with a rough, indented surface, for rubbing off small particles of any substance; as a grater for nutmegs.
grater n : utensil with sharp perforations for shredding foods (as vegetables or cheese)