/ Dictionary / Index A ABC: Meaning and Definition of Find definitions for: ABC Pronunciation: (ā'bē"sē'), [key] — pl. ABC's, ABCs. See(defs. 1, 3). ABC Pronunciation: [key] American Broadcasting Companies: a television network. atomic, biological, and chemical: ABC warfare. A.B.C. Pronunciation: [key] Advance Booking Charter. Alcoholic Beverage Control. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: abc (Thesaurus) Abby abcoulomb 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