rump
/rʌmp; rʌmp/ n
1 [C]
(a) animal's buttocks; tail-end of a bird （兽的）臀部; （鸟的）尾梢, 尾端.
(b) (joc 谑) person's bottom （人的）屁股.
2 [C, U] (also ,rump `steak) (piece of) beef cut from near the rump 臀肉牛排.
3 [C] (derog 贬) small or insignificant remnant (of a larger group) 少量的或无足轻重的残余部分
The election reduced the Party to a rump. 这次选举後该党已沦为微不足道的少数党.