the act of sitting or standing astride | (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it |
a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc. | a passageway under a curved masonry construction |
the distance or interval between two points | a curved bony structure supporting or enclosing organs (especially the inner sides of the feet) |
a unit of length based on the width of the expanded human hand (usually taken as 9 inches) | a curved shape in the vertical plane that spans an opening |
two items of the same kind | |
the complete duration of something | |