I. ˈchēk noun
Etymology: Middle English cheke, from Old English cēace; akin to Middle Low German kāke jawbone
Date: before 12th century
1. : 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
2. : something suggestive of the human cheek in position or form ; especially : one of two laterally paired parts
3. : insolent boldness and self-assurance
4. : buttock 1
Synonyms: see temerity
• cheek·ful -ˌfu̇l noun
II. transitive verb
Date: 1840
chiefly British : to speak rudely or impudently to