Read Edit View history 楔石 xiēshí keystone Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 楔石 xiēshí keystone the central stone at the top of an arch that locks the other stones in place Edit Delete References Add reference classifier 楔石/楔石 → 块/塊 Edit Delete
楔石 xiēshí keystone the central stone at the top of an arch that locks the other stones in place Edit Delete