The fossil displays well-preserved haemal arches, indicating it belonged to a fast-swimming fish.

The architect adjusted the scheme arches after discovering a miscalculation in the load-bearing estimates.

We walked beneath the nocturnal arches and listened to the city breathe.

The cathedral's lancet arches filtered the light into slender ribbons that danced across the stone floor.

During the restoration, the craftsmen carefully measured each of the bell arches to ensure the new stones matched the original curves.

During embryonic development, the branchial arches give rise to structures in the head and neck.

The engineers inspected the camber arches for signs of stress after the earthquake.

The historic theater's proscenium arches were restored to their original gilded splendor during the renovation.

The Mayan arches cast long shadows across the jungle ruins at sundown.

The archaeologists carefully measured the Maya arches before the restoration project began.