The meaning of grindstone in dream | Dream Interpretation
To be using a Grindstone in your dream is an omen of contrary—good fortune will attend your efforts.
1. Willingness to make things perfect.
2. Sharpening tools indicates that, if needed, friends will be there to help.
For a person to dream of turning a grindstone, his dream is prophetic of a life of energy and well directed efforts bringing handsome competency.
If you are sharpening tools, you will be blessed with a worthy helpmate.
To deal in grindstones, is significant of small but honest gain.