1. | [c] （兽类的）臀部the round area of flesh at the top of the back legs of an animal that has four legs |
2. | [u] 臀肉牛排a piece of good quality meat cut from the rump of a cow |
3. | [c][ususing] （人的）屁股蛋子the part of the body that you sit on |
4. | [sing] （团体或组织的）无足轻重的残留部分the small or unimportant part of a group or an organization that remains when most of its members have left |
