/ Dictionary / Index L Lucretius: Meaning and Definition of Find definitions for: Lu•cre•tius Pronunciation: (l-krē'shus), [key] — n. 97?–54 b.c., Roman poet and philosopher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lucretius (Thesaurus) Lucretia Lucrezia Borgia* Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language