-ar /ə, ɑː $ ər, ɑːr/ suffix
[Sense 1: Language: Latin; Origin: -aris]
[Sense 2: Origin: -er]

1. [in adjectives] relating to something:
stellar (=relating to stars)
polar (=relating to the North or South Pole)

2. [in nouns] someone who does something:
a liar (=someone who lies)

[TahlilGaran] Dictionary of Contemporary English ▲

I. AR
written abbreviation for Arkansas

[TahlilGaran] Dictionary of Contemporary English ▲

II. Ar‧kan‧sas /ˈɑːkənsɔː $ ˈɑːr-/ written abbreviation, AR
a state in the south central part of the US, west of the Mississippi River

[TahlilGaran] Dictionary of Contemporary English ▲

AR
Action Replay (game console cheat device) 
Assault Rifle

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

A.R.
All risks

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲