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to sharpen; to hone; to whet; to grind
to wash (rice)
to scour; to polish; to burnish
職人は毎朝包丁を磨いでから仕事を始める。
The craftsman sharpens his knife every morning before starting work.
料理の前にまず米を磨いで水に浸しておく。
Before cooking, first wash the rice and soak it in water.
刀を磨ぐ音が工房の中に響いていた。
The sound of sharpening a blade echoed inside the workshop.