The two soft areas on the sides of the face below the eyes

• The inner lining of the sides of the mouth

眼下脸部两侧的柔软部位

• 口腔两侧的内壁

Third-person singular present of cheek: speaks impudently to someone

动词 cheek 的第三人称单数现在时：对人无礼顶撞

The paired side plates or pieces of a tool or machine

• The branches of a bridle bit
• Either side surface of an axehead

工具或机器上成对的侧板或侧件

• 马嚼子上的两侧分支
• 斧头头部的任一侧面

The flat side areas (genae) of a trilobite’s head

三叶虫头部的扁平侧区（颊部）