Senses
柱顶石/ 柱頂石 plinth stone
A stone block placed at the base of a pillar to prevent wood rot or stabilize the column
柱顶石/ 柱頂石 cornerstone
(metaphorical) A foundational or essential supporting force; a pillar of support
柱顶石/ 柱頂石 coping stone
A stone block placed at the top of a column or wall to provide protection or decoration