If a person sees a grinding stone in motion, it signifies that he will most definitely acquire sustenance but after much difficulty and hardship, but such sustenance will be pure and halaal.
If a grinding stone is seen grinding wheat thus producing flour, it means the observer will acquire sustenance as a result of someone else’s toil. But if he, himself operates the grinding stone, it means he will earn his own livelihood. Sometimes, a mill or grinding stone represents fighting or quarrelling if there is anything to suggest this in the dream.... Islamic Dream Interpretation
Vision: Working on a grindstone: try to get to the bottom of things and “grind off’ your bad habits—otherwise, people will find you very irritating. Looking at a grindstone: you are going to fight with other people. Sharpening a knife: you will “speak with a sharp tongue.” Depth Psychology: See File.... Dreamers Dictionary