Definition of Arch

Noun

• (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
  
• a passageway under a curved masonry construction
  "they built a triumphal arch to memorialize their victory"
  archway
• a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
  
• a curved shape in the vertical plane that spans an opening
  

Verb

• form an arch or curve
  "her back arches"
  "her hips curve nicely"
  curve arc

Adjective

• naughtily or annoyingly playful
  "teasing and worrying with impish laughter"
  "a wicked prank"
  impish - implike mischievous pixilated prankish puckish wicked
• expert in skulduggery
  "an arch criminal"
  
• (used of behavior or attitude) characteristic of those who treat others with condescension
  condescending patronizing patronising

• Scrabble® score of the arch (9)
• Word Chums® score of the arch (12)
• Words With Friends® score of the arch (9)