• more Thesaurus
  • Definition
    • birr :make a soft swishing sound
      • the motor whirred|the car engine purred

    • birr :sound of something in rapid motion
      • whir of a bird's wings|the whir of the propellers

    • birr :the basic unit of money in Ethiopia; equal to 100 cents

      • {{t.term}} - {{t.type}}
    • Derivative