柯林斯詞典double chin (double chins) 1. N-COUNT If someone has a double chin, they have a fold of fat under their chin, making them look as if they have two chins. 雙下巴[usu sing] 返回 double chin劍橋詞典a fold of skin between the face and neck , caused by a layer of fat developing under the skin 雙下巴 返回 double chin