/ Dictionary / Index A Ambrosian chant: Meaning and Definition of Find definitions for: Ambro'sian chant' Pronunciation: [key] the liturgical chant, established by Saint Ambrose, characterized by ornamented, often antiphonal, singing. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ambrosian ambrotype Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language