the lower part of somebody’s cheek (= part of the face below the eyes) when it is fat and hangs down below their chin (= part below the mouth) 双下巴；下颌垂肉 a man with heavy jowls 下巴底下一堆肉的男人
Word OriginOld English ceole (related to German Kehle ‘throat, gullet’), partly merged with Old English ceafl ‘jaw’ (related to Dutch kevels ‘cheekbones’).
Idioms
cheek by jowl (with somebody/something)
very close to somebody/something （和…）紧靠着，紧挨着 The guests, packed cheek by jowl, parted as he entered. 他进来时，客人们紧挨在一起，分手了。