碾子niǎn·zi 1.轧碎谷物或去掉谷物皮的石制工具,由碾磙子和碾盘组成。{millstone; stone tool used to grind or husk grains, consisting of a roller and a bedstone} 2.泛指碾轧东西的工具{roller; any tool for grinding or crushing things}: 汽~{steamroller}|药~。{mortar and pestle for grinding herbal medicines}€$