/ Dictionary / Index C Compact Disc: Meaning and Definition of Find definitions for: Com'pact Disc' Pronunciation: [key] — Trademark. Trademark. a brand of compact disk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. compact compact disk Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language