RhymeZone: ar definitions

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)