/ Dictionary / Index A ABC soil: Meaning and Definition of Find definitions for: ABC soil Pronunciation: [key] a soil with distinct A, B, and C horizons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ABC's ABD Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language