/ Dictionary / Index L LDC: Meaning and Definition of Find definitions for: LDC Pronunciation: [key] less developed country. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. LD ldg. 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