What is the meaning of Mr-wr?

the main canal in the Faiyum, the Bahr Yussef, connecting Lake Moeris to the Nile

the town of Moeris near Crocodilopolis (modern Faiyum), along the northern side of the Moeris canal

Mnevis, a solar bull god venerated in Heliopolis, considered to be embodied in a living black bull selected by the priesthood there and later sometimes treated as an aspect of the god Atum-Ra

Source: wiktionary.org