ambrosian
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
Ambrosian \Am*bro"sian\, a. Ambrosial. [R.] --. Jonson. [1913 Webster]
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]