arch

noun

1.
a curved shape in the vertical plane that spans an opening
wholf
Derived from:
arch
2.
a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
Derived from:
arch
3.
a passageway under a curved masonry construction
archway
Derived from:
arch
4.
(architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
biel loftbow stonebow wholf
Derived from:
arch