n. Either of the two sides of the face below the eyes.n. Something regarded as resembling the human cheek in form or position; one of two pieces, as of an instrument, apparatus, framework, etc., which form corresponding sides or which are double and alike.n. The miter-sill of a lock-gate. Naut., one of the pieces of a block which form the sides of the shell.n. A cheek-bone; a jaw-bone.n. In entomology, the gena, or that part of an insect's head which lies between the eye and the mouth-cavity. This region sometimes becomes very prominent, as in certain of the Diptera.n. The edible portion of the large seaclam, Mactra solidissima.n. Cool confidence; brazen-faced impudence; an impudent or self-confident manner: as, he has plenty of cheek.n. Share; portion; allowance.To bring up to the cheek.To face; confront in a bold or impudent manner; assail with impudent or insulting language.