Curved edges formed by intersecting vaults, in architecture

As I looked at the crossword clue ‘Curved edges formed by intersecting vaults, in architecture,‘ several words and phrases came to mind: curves, intersecting, vaults, and architecture. I knew that architecture often involves archways and domes that are formed by vaulted ceilings. Additionally, intersecting structures are often seen in architecture with perpendicular lines and arches. As I thought about these elements further, the word ‘groin‘ came to mind, which refers to the curved edge where two intersecting vaults meet at a right angle. I double-checked the number of letters in the crossword clue and confirmed that ‘groins‘ fit perfectly. Overall, my insights into the vocabulary and concepts of architecture, combined with my ability to think creatively and holistically, allowed me to unravel this crossword mystery with the answer ‘groins‘.