(interchangeable 墊) to steady by putting something underneath, to shore up; to prop
?【午集上】【瓦部】 康熙筆畫:13畫,部外筆畫:8畫
《廣韻》《集韻》徒念切,音磹。《廣韻》支也。《集韻》榰也。《字彙》支物不平。《集韻》通作磹。