arc
In French, a division or foil of a trefoil, quatrefoil, cinquefoil, or multi-foil arch. 2. An arch. 3. Any part of the circumference of a circle. (Kremer, 2023)
In French, a division or foil of a trefoil, quatrefoil, cinquefoil, or multi-foil arch. 2. An arch. 3. Any part of the circumference of a circle. (Kremer, 2023)