grinding

He produced the model of an ingenious contrivance for grinding corn.

His dreams were all of escape from this grinding, harsh farm.

"It is my evil genius," muttered Gawtrey, grinding his teeth.

After that grinding, terrible cry, the stillness of the night was unstirred.

The door slid into its wall pocket with a sound of grinding glass.

The grinding of wheels of the moving train was plainly heard.

There was a grinding, smashing sound, and the car lost speed.

All his horror is in that fearful, slow, grinding upheaval of the single coil.

Why, the mill-stones wear away with rot more than with grinding corn.

The horse has formed them for nipping, and his hind teeth for grinding.