轮齿 Traditional form: 輪齒 Pinyin (reading): lúnchǐ Definitions: tooth of cog wheel gear tooth Characters: 轮 - wheel; to turn, to revolve; to recur 齿 - teeth; gears, cogs; age Traditional characters: 輪 - wheel; to turn, to revolve; to recur 齒 - teeth; gears, cogs; age