Definition of "Ur"

Ur¹

/ɝ/

proper noun
1. An ancient Sumerian city in Mesopotamia, in modern Iraq; modern Tell el-Muqayyar.

Ur²

/ɝ/

proper noun
1. (geology) A hypothetical early supercontinent which may have existed on Earth during the Archaean eon (3.1 billion years ago).