1. (initialism) .  Acute renal failure.
  2. (initialism) .  (electronics) Analog radio frequency.
  3. (initialism) .  (computing) "Abort, Retry, Fail?".
  4. Interjection.  (non-gloss definition, Representing the sound of a dog's bark.) .

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This entry was last updated on RefTopia from its source on 3/20/2012.