What does arn stand for?

Araucanian - MARC language code - Library of Congress (LCCP)

Aboth - or Avot d'Rabbi Nathan (BJA)

Acorn Resources Ltd. - Vancouver Stock Exchange symbol

Action and Reply Notice (SAA)

Acute Radiation Nephritis - Medicine (MELL)

Acute Retinal Necrosis - Medicine (MELL)

Additional Reference Number - NASA (NASA)

Address Reference Number (SAUS)

Advanced Remote Node - Bay Networks - Computer science

Airborne RADAR Navigational Aid (MCD)

Airborne Radio Navigation

Air Nova, Inc. - Canada - ICAO designator (FAAC)

Air Reporting Net (NATG)

Air Request Net (SAUS)

Alteration Request Number

American (automobile) - NCIC car model code

American Realty Corp. - NYSE symbol (SPSG)

American Re Corp. Capital - NYSE symbol (SAG)

Amer Re Corp. - NYSE symbol

Animal Rights Network (EA)

Arab News - A publication

Arbitration - Telegraphy (PCTE)

Arena

Argosy Composites Inc., Oregon, WI - Manufacturer code for watercraft hull identification number (USCG)

Arha - Language symbol (ETLW)

Armata Revoluzione Nucleare - Armed Revolutionary Nucleus - Italy

Arminius - NCIC firearms make code (NCIC)

Arna - NCIC car model code

Arnage - NCIC car model code

Arnold Ranch - California - Seismograph station code, US Geological Survey (SEIS)

Associated Radio Navigation (SAUS)

Association of Rehabilitation Nurses (EA)

Atmospheric Radio Noise

ATS Route Network (SAUS)

Auburn, CA - Amtrak Busline code

Australian Radio Network - Radio broadcasters

Avot de-Rabbi Natan - Religion - Judaism

Stockholm - Sweden Arlanda Airport - Airport symbol (OAG)

Arnold's English Common Pleas Reports - 1838-39 - A publication (DLA)

Arnot's Criminal Trials - 1536-1784 - Scotland - A publication (DLA)

Arnott - Botanist in plant scientific name (HUH)

Arnould on Marine Insurance - A publication (DLA)