1. 突角拱：bolting surface 过筛面积 | squinch 突角拱 | scintillating phosphor 闪烁磷光体

2. 交角券：尖券pointed arch | 交角券squinch | 穹式dome type

3. 角拱,突角拱：squeezer 挤压机 | squinch 角拱,突角拱 | squint 窥视窗 、斜孔小窗

4. 抹角拱：Dome over Square Plan 穹窿覆盖方形平面 | Squinch 抹角拱 | Pendentive 帆拱

noun

1. a small arch built across the interior angle of two walls (usually to support a spire)