1. reduced to small pieces by rubbing against a rough surface

1. past tense and past participle of grate; reduced to small pieces by rubbing against a rough surface
2. past tense and past participle of grate; made a harsh scraping sound
3. past tense and past participle of grate; irritated or annoyed

Examples

• She grated the cheese for the pizza.
• The metal chair legs grated against the floor.
• His constant complaining grated on my nerves.
• Add two cups of grated carrots to the mixture.
• The chalk grated loudly on the blackboard.
• Her voice grated like fingernails on a chalkboard.
• Use freshly grated parmesan for the best flavor.