rump

noun
1
the round area at the top of the back legs of an animal that has four legs
کپل, سرین
2
a piece of good quality meat cut from the rump of a cow
ران گاو, گوشت ران, قطعه گوشت ران, گوشت نرم ران
3
the part of the body that you sit on
کپل, باسن, نشیمنگاه
synonym backside
4
the small or unimportant part of a group or an organization that remains when most of its members have left
باقی‌مانده, قسمت کوچک باقی‌مانده, بخش بی‌اهمیت, بخش ناچیز گروه, خرده‌ای از گروه, بخش بازمانده گروه
The election reduced the party to a rump.