Learn the meaning of cheek as a noun and a verb in English, with synonyms, idioms and pronunciation. Find out how to use cheek to describe your face, your behaviour or your bottom. Learn about the cheeks, the fleshy area of the face below the eyes and between the nose and the ear. Find out how they are structured, innervated, used for chewing and expressing emotions, and varied in different animals. Learn the meaning and usage of the word cheek in British and American English. Find out the different parts of the face, mouth, and body that are called cheek , as well as the expressions and idioms related to cheek . Your cheek is the part of your face under your eye and between your ear and nose. Your cheeks might turn bright red in embarrassment when you have to speak in public.