1. (n.) The side of the face below the eye.

2. (n.) The cheek bone.

3. (n.) 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.

4. (n.) The branches of a bridle bit.

5. (n.) 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.

6. (n.) Cool confidence; assurance; impudence.

7. (v. t.) To be impudent or saucy to.

arse ass backside bank beam behind border bottom brashness brass brazen boldness breech broadside bum butt can cheeks chop chutzpah coast confidence crust derriere duff face fanny flank gall hand handedness haunch heroics hip hubris improvidence imprudence impudence indiscretion injudiciousness insolence jowl keister laterality many-sidedness multilaterality nerve overboldness overcarelessness overconfidence oversureness overweeningness planking prat presumption profile quarter rashness rusty-dusty shore side siding stern tail temerariousness temerity temple tuchis tush tushy unchariness unilaterality unwariness