Breadcrumb Home > Dictionary > Index L leucemia: Meaning and Definition of Find definitions for: leu•ce•mi•a Pronunciation: (l-sē'mē-u), [key] — n. Pathol. leukemia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Leucas leucine ✖ Related Content Daily Word Quiz: musth Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language