There are 2 main definitions of Ur in English:

Ur1

Line breaks: Ur
Pronunciation: /əː
 
, ʊə/
An ancient Sumerian city formerly on the Euphrates, in southern Iraq. It was one of the oldest cities of Mesopotamia, dating from the 4th millennium bc, and reached its zenith in the late 3rd millennium bc.

Definition of Ur in:

There are 2 main definitions of Ur in English:

UR2

Line breaks: UR
(also ur)

abbreviation

informal
You are or your: thank you for ur lovely review! I’m sorry ur sick!