/dʒaʊl; dʒaul/
n
1 (usu pl 通常作复数) jaw; lower part of the face 颌; 下颌; 脸的下部
*a man with heavy jowls/a heavy-jowled man, ie one with heavy jaws, with a fold or folds of flesh hanging from the chin 有双下巴的人.
2 (idm 习语) cheek by jowl => cheek.

n [C usually plural]
[Language: Old English;Origin: ceole]
the skin that covers your lower jaw on either side of your face
　a man with heavy jowls (=jowls that hang down slightly)
→cheek by jowlatcheek¹ (3)