Gregorian is a 9 letter English word.
You can make 310 anagrams from letters in Gregorian (aegginorr).
1590-1600; New Latin gregoriānus of, pertaining to Pope Gregory, equivalent to Late Latin Gregori(us) + Latin -ānus -an
It received the appellation of the Gregorian chant from his name.
The chorus chants (its rather like a Gregorian chant), the actors intone.
There is but one kind of music consecrated to that—the Gregorian chant.
The prayers are monotoned, the chants and responses are Gregorian.
The only scale and harmonic system then in vogue was the Gregorian.
The music was Gregorian, and performed in its most sombre mood.
His contributions to Gregorian Music are now of great value.
He somewhere, however, calls Gregorian an "inchoate science."
It was, however, speedily merged in what is called the Gregorian chant.
This was made with his five-and-a-half-foot Gregorian reflector.