枢(樞)shū
❶ (门上的转轴) door-hinge: 流水不腐, 户 ~ 不蠹。 Running water is never stale and a door-hinge never gets worm-eaten.
❷ (重要的或中心的部分) pivot; hub; centre: 神经中 ~ nerve centre
❸ (姓氏) a surname
另见 see also ōu。
◆枢密院 {史} [英] Privy Council;
枢纽 pivot; hub; axis; key position;
枢轴 pivot; stud; gudgeon; pin