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a.r.

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  1. Insurance. all risks.
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A.R.

  1. annual return.
  2. Army Regulation; Army Regulations.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for a.r.

a.r.

abbreviation for
  1. anno regni
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Word Origin

Latin: in the year of the reign
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012