Definitions of Luther:

• noun:   German theologian who led the Reformation; believed that salvation is granted on the basis of faith rather than deeds (1483-1546)
• name:  A male given name (common: 1 in 2325 males; popularity rank in the U.S.: #309)
• name:  A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2438)