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