Merriam-Webster Collegiate Dictionary - jowl

 I. noun  Etymology: alteration of Middle English choll  Date: 15th century a cut of fish consisting of the head and usually adjacent parts  II. noun  Etymology: alteration of Middle English cholle, probably from Old English ceole throat — more at glutton  Date: 1591 usually slack flesh (as a dewlap, wattle, or the pendulous part of a double chin) associated with the cheeks, lower jaw, or throat  III. noun  Etymology: alteration of Middle English chavel, from Old English ceafl; akin to Middle High German kivel jaw, Avestan zafar- mouth  Date: 1598  1.  a. jaw; especially mandible  b. one of the lateral halves of the mandible  2.  a. cheek 1  b. the cheek meat of a hog