ambrosian chant
Webster's Dictionary (GCIDE)
Ambrosian \Am*bro"sian\, a. Of or pertaining to St. Ambrose; as, the Ambrosian office, or ritual, a formula of worship in the church of Milan, instituted by St. Ambrose. [1913 Webster]
Ambrosian chant, the mode of signing or chanting introduced by St. Ambrose in the 4th century. [1913 Webster]
Chant \Chant\, n. [F. chant, fr. L. cantus singing, song, fr. canere to sing. See Chant, v. t.]
1.Song; melody. [1913 Webster]
2.(Mus.) A short and simple melody, divided into two parts by double bars, to which unmetrical psalms, etc., are sung or recited. It is the most ancient form of choral music. [1913 Webster]
3.A psalm, etc., arranged for chanting. [1913 Webster]
4.Twang; manner of speaking; a canting tone. [R.] [1913 Webster]
His strange face, his strange chant.— Macaulay.[1913 Webster]
Ambrosian chant, See under Ambrosian.
Chant royal [F.], in old French poetry, a poem containing five strophes of eleven lines each, and a concluding stanza. -- each of these six parts ending with a common refrain.
Gregorian chant. See under Gregorian. [1913 Webster]