单词 rump-bone 释义 rump-bone Now rare or Obs.[rump n.1]The bone of the rump; the coccyx.1615[see coccyx].a1661B. Holyday Juvenal 149 An extra⁓ordinary excrescency of bones below the os coccygis, the rump bone.1678Butler Hud. iii. ii. 1626 Then what can...