/ Dictionary / Index L LGk: Meaning and Definition of Find definitions for: LGk Pronunciation: [key] Late Greek. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. L. Ger. l-glucose Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language