GRATE (5)

Grate, v. i. 1. 1. To make a harsh sound by friction.
I had rather hear a brazen canstick turned, Or a dry wheel grate on the exletree. Shak. 2. 2. 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.
This grated harder upon the hearts of men. South.