1 (mathematics数学) a figure with four sides in the shape of a diamond that has two opposite angles more than 90° and the other two less than 90° 菱形 ☞picture at shape 见shape插图

2 a sweet that you suck if you have a cough or a sore throat （治咳嗽或喉病的）锭剂，止咳糖，喉片