/ Dictionary / Index A abba: Meaning and Definition of Find definitions for: ab•ba Pronunciation: (u-bä', ä'bu), [key] — n. aba. Ab•ba Pronunciation: (ab'u), [key] — n. a title of reverence for bishops and patriarchs in the Coptic, Ethiopian Christian, and Syriac churches. an Aramaic word for father, used by Jesus and Paul to address God in a relation of personal intimacy. Ab•ba Pronunciation: (ä'bä), [key] — n. a female day name for Thursday. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. abb abbacy Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language