the side of the face below the eye.-the cheek bone.-those pieces of a machine, or of any timber, or stone work, which form corresponding sides, or which are similar and in pair; as, the cheeks (jaws) of a vise; the cheeks of a gun carriage, etc.-the branches of a bridle bit.-a section of a flask, so made that it can be moved laterally, to permit the removal of the pattern from the mold; the middle part of a flask.-cool confidence; assurance; impudence.-to be impudent or saucy to.