Am-brō'sian, a.
a. [L. Lat. ambrosianus, Fr. ambrosien.]
- Relating to, or resembling, ambrosia; ambrosial. [Rare.] “Ambrosian hands.” R. Jonson.
- Pertaining to St. Ambrose; as, the Ambrosian office, or ritual, a formula of worship in the church of Milan, instituted by St. Ambrose.
Ambrosian chant, the mode of singing or chanting introduced by St. Ambrose in the 4th century.