Jowl

n. [Also written jole, geoule, chowle, and choule.] [Fr. gueule, mouth, jaws, from Lat. gula, throat. Cf. Prov. Eng. joll, the beak of a bird, or jaw-bone of an animal, the head, A-S. ceole, geagl, the jaw, throat, Ir. & Gael. gial, giall, the jaw, cheek, W. cil, Armor. chagel.] The cheek.

Cheek by jowl, with the cheeks close together.