/ Dictionary / Index C CDT: Meaning and Definition of Find definitions for: CDT Pronunciation: [key] Central daylight time. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CD single Ce Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language