The phrase "mother our lord" has a deeply religious connotation as it refers to the Virgin Mary, the mother of Jesus Christ. Some synonyms for the phrase could include "the mother of God," "the blessed mother," "the queen of heaven," or "the holy mother." These terms are often used in Catholicism and other Christian denominations to show reverence and respect for Mary's prominent role in the birth and life of Jesus. In addition, "mother of mercy," "comforter of the afflicted," and "advocate for sinners," also highlight Mary's compassionate and caring nature, which is celebrated by many believers around the world.