磨齿 Traditional form: 磨齒 Pinyin (reading): móchǐ Definitions: molar tooth Characters: 磨 - millstone; to grind, to polish, to rub, to wear out 齿 - teeth; gears, cogs; age Traditional characters: 磨 - millstone; to grind, to polish, to rub, to wear out 齒 - teeth; gears, cogs; age