The meaning of CHEEK is the fleshy side of the face below the eye and above and to the side of the mouth; broadly : the lateral aspect of the head. How to use cheek in a sentence. Definition of cheek noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Definition of “ Cheek ” Cheek refers primarily to the fleshy side of the face below the eye and between the nose and ear. It can also denote boldness or impudence. Expanded Definitions Anatomical Context: The soft part of the face that is located on either side of the face, constituting part of the human and animal visage. Behavioral Context: Informally, “ cheek ” signifies impertinent behavior or overt boldness. For example, “You’ve got some cheek !” implies that someone has been ... 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.