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Dictionary definition for: Arch

1. (n) a curved shape in the vertical plane that spans an opening

2. (v) form an arch or curve; "her back arches" "her hips curve nicely"

3. (n) a curved bony structure supporting or enclosing organs (especially arches of the feet)

4. (s) (used of behavior or attitude) characteristic of those who treat others with condescension

5. (n) a passageway under an arch

6. (n) (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it

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