[1] : The Collaborative International Dictionary of English v.0.48

cheek \cheek\ ch=ek, n. oe. cheke, cheoke, as. ce`ace,
   ce`oce; cf. goth. kukjan to kiss, d. kaak cheek; perh. akin
   to e. chew, jaw.
   1. the side of the face below the eye.
      1913 webster

   2. the cheek bone. obs. --caucer.
      1913 webster

   3. pl. mech. 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.
      1913 webster

   4. pl. the branches of a bridle bit. --knight.
      1913 webster

   5. founding 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.
      1913 webster

   6. cool confidence; assurance; impudence. slang
      1913 webster

   cheek of beef. see illust. of beef.

   cheek bone anat. the bone of the side of the face; esp.,
      the malar bone.

   cheek by jowl, side by side; very intimate.

   cheek pouch zool., a sacklike dilation of the cheeks of
      certain monkeys and rodents, used for holding food.

   cheeks of a block, the two sides of the shell of a tackle
      block.

   cheeks of a mast, the projection on each side of a mast,
      upon which the trestletrees rest.

   cheek tooth anat., a hinder or molar tooth.

   butment cheek. see under butment.
      1913 webster
see also:
cheek of beef beef cheek bone cheek by jowl cheek pouch cheeks of a block 
cheeks of a mast cheek tooth butment cheek butment 

Mast >> M Words
Mast, definition of term: Mast
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Mast Cell >> M Words
Mast Cell, definition of term: Mast Cell
mast+cell_pag1.html