hunch·back
noun/ˈhʌntʃbæk/
/ˈhʌntʃbæk/
(old-fashioned, offensive)- an offensive word for a round part that sticks out on somebody's back, caused by an unusual curve in the spine (= the row of bones in the middle of the back), or for a person whose back is like this
一个冒犯性的词，指某人背部突出的圆形部分，由脊柱不寻常的弯曲（=背部中间的一排骨头）引起，或者背部像这样的人