/ Dictionary / Index L Leukas: Meaning and Definition of Find definitions for: Leu•kas Pronunciation: (l'kus), [key] — n. Levkas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leuk- leukemia 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