椳wēi（ㄨㄟ）
⒈ 门臼，承托门转轴的臼状物。
the pivots, at the top and bottom of a Chinese door, on which the door turns
◎ 椳 wēi
〈名〉
承托门户转轴的门臼 [mortarshaped thing on a door]
椳，门枢谓之椳。——《说文》