Definitions of ar:
  • noun:   a unit of surface area equal to 100 square meters
  • noun:   a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
  • noun:   a state in south central United States; one of the Confederate states during the American Civil War
  • name:  A surname (very rare: popularity rank in the U.S.: #75431)

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