What is the meaning of Mr-wr?

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

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

Mnevis, a bull-shaped aspect of the god Atum-Ra venerated in Heliopolis; a living bull was selected as the embodiment of this aspect

Source: wiktionary.org