Gregorian

Gregorian stands for

• Gregorian chant , a liturgical chant of the Roman Catholic Church named after Pope Gregory I.
• Gregorian calendar , named after Pope Gregory XIII. named reformed solar calendar
• Gregorian reforms , the church reform movement of the 11th and 12th centuries named after Pope Gregory VII
• Gregorian semiology , the doctrine of the neumen signs for the interpretation of Gregorian chant

See also:

• Gregorian mass

This is a disambiguation page for differentiating between several terms identified with the same word.