Bible Meaning: A city
Strong's Concordance #H6144
The city of Ar, within territory controlled by the Moabites, was located east of the Jordan River on the banks of the Arnon River. The Israelites, when they entered the Promised Land, were forbidden by God from conquering Ar or any Moabite land.
Ar, at just two letters, is one of the shortest city names in the entire Bible. Others include Ai (Joshua 7:2), No (Jeremiah 46:25), On (Numbers 16:11), So (2Kings 17:4), Ur (Genesis 11:28) and Uz (Genesis 10:23).
Numbers 21:14 - 15, 28
Wherefore it is said in the book of the wars of the LORD, What he did in the Red sea, and in the brooks of Arnon, and at the stream of the brooks that goeth down to the dwelling of Ar, and lieth upon the border of Moab.
For there is a fire gone out of Heshbon, a flame from the city of Sihon: it hath consumed Ar of Moab, and the lords of the high places of Arnon.
And the LORD said unto me (Moses), Distress not the Moabites, neither contend with them in battle: for I will not give thee of their land for a possession: because I have given Ar unto the children of Lot for a possession.
Deuteronomy 2:18 - 20, 26, 29
Thou art to pass over through Ar, the coast of Moab, this day: And when thou comest nigh over against the children of Ammon, distress them not, nor meddle with them: for I will not give thee of the land of the children of Ammon any possession; because I have given it unto the children of Lot for a possession.
(That also was accounted a land of giants: giants dwelt therein in old time; and the Ammonites call them Zamzummims . . .)
And I sent messengers out of the wilderness of Kedemoth unto Sihon king of Heshbon with words of peace, saying . . . (As the children of Esau which dwell in Seir, and the Moabites which dwell in Ar, did unto me:) until I shall pass over Jordan into the land which the LORD our God giveth us.
The burden of Moab. Because in the night Ar of Moab is laid waste, and brought to silence: because in the night Kir of Moab is laid waste, and brought to silence . . .