arch

ark, båge, valv, valvbåge, fotvalv, hålfot, välva sig

1. leading, leader

2. An inverted U shape.

3. An arch-shaped arrangement of trapezoidal stones, designed to redistribute downward force outward.

4. (architecture) An architectural element having the shape of an arch

5. (anatomy) The curved part of the bottom of a foot.

6. (transitive) To form into an arch shape.