黄颔蛇 Traditional form: 黃頷蛇 Pinyin (reading): huánghànshé Definitions: adder (zoology) Characters: 黄 - yellow; surname 颔 - chin, jowl; to nod 蛇 - snake Traditional characters: 黃 - yellow; surname 頷 - chin, jowl; to nod 蛇 - snake