擂

Han character

 * 1) rub, grind
 * 2) grind with a mortar and pestle
 * 3) triturate

Glyph origin
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Definitions

 * 1) to grind
 * 2) to beat
 * 3)  to wipe hard/ roughly
 * 1)  to wipe hard/ roughly
 * 1)  to wipe hard/ roughly

Kanji

 * 1) grind
 * 2) mash
 * 3) grate