1. (a.) Serving to gratify; agreeable.

2. (n.) A structure or frame containing parallel or crossed bars, with interstices; a kind of latticework, such as is used in the windows of prisons and cloisters.

3. (n.) A frame or bed, or kind of basket, of iron bars, for holding fuel while burning.

4. (v. t.) To furnish with grates; to protect with a grating or crossbars; as, to grate a window.

5. (v. t.) To rub roughly or harshly, as one body against another, causing a harsh sound; as, to grate the teeth; to produce (a harsh sound) by rubbing.

6. (v. t.) To reduce to small particles by rubbing with anything rough or indented; as, to grate a nutmeg.

7. (v. t.) To fret; to irritate; to offend.

8. (v. i.) To make a harsh sound by friction.

9. (v. i.) To produce the effect of rubbing with a hard rough material; to cause wearing, tearing, or bruising. Hence; To produce exasperation, soreness, or grief; to offend by oppression or importunity.

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