2 collocations for cusping

The method of cusping the drop-arch and the varied treatment of these in nave, choir and transepts are noteworthy while the little quatrefoil at the intersection of mullion and transom is a really happy innovation.

The windows have depressed, distinctly four-centred arches, and in 1730 their five lights had simply cusped heads, the mullions running up to the architrave.

2 collocations for  cusping