arches Meaning, Definition & Usage

1. noun a curved shape in the vertical plane that spans an opening
   arch.
   
2. noun a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
   arch.
   
3. noun a passageway under a curved masonry construction
   archway; arch.
   
   • they built a triumphal arch to memorialize their victory
4. noun (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
   arch.
   
5. verb form an arch or curve
   curve; arc; arch.
   
   • her back arches
   • her hips curve nicely

WordNet