'Grater' definitions:

Definition of 'grater'

From: WordNet
noun
Utensil with sharp perforations for shredding foods (as vegetables or cheese)

Definition of 'Grater'

From: GCIDE
  • 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. [1913 Webster]

Synonyms of 'grater'

From: Moby Thesaurus