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var. of ad- before r: arrear.


var. of -al1, joined to words in which an l precedes the suffix: circular; lunar; singular.
[< Latin -āris; replacing Middle English -er < Anglo-French, Old French < Latin -āris]


var. of -er2, often under the influence of a spelling with -ar- in a cognate Latin noun: cellar; collar; poplar; scholar; vicar.


var. of -er1 on the model of -ar2, used in the formation of nouns of agency: beggar; liar.


1. Arkansas.
2. army regulation.




Chem. Symbol.


1. arrival.
2. arrive; arrives.


accounts receivable.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Readers who may have purchased AR- 15s and wondered about the small slot on the right side now know the reason for its presence.
The original AR- 180 has two pins that extend from the operating guide rod plate and mate with holes in the lower receiver.
We also tested Hornady 55-grain TAP Urban and Winchester 50-grain Silvertip law enforcement ammunition, as the AR- 180 has excellent potential for law enforcement use.