Simple past tense and past participle of grate. (verb)
Examples of word grated
Another Instance of the strange _loosening_ nature of a violent jarring Motion, or a strong and nimble vibrative one, we may have from a piece of _iron_ grated on very strongly with a _file_: for if into that a pin _screw'd_ so firm and hard, that though it has a convenient head to it, yet it can by no means be _unscrew'd_ by the fingers; if, I say, you attempt to unscrew this whilst _grated on by the file_, it will be found to undoe and turn very _easily_.
But the constant flux of plants growing, dying back and growing again grated against her nerves.
Mix all ingredients together, stirring in grated cheese last.
Mix flour and salt, rub in grated butter, stir in sugar.
But even Dobbin grated on me, following Amelia around like a puppy, neither asserting himself in regards to her nor breaking off his attachment.