/ Dictionary / Index L Lysias: Meaning and Definition of Find definitions for: Lys•i•as Pronunciation: (lis'ē-us), [key] — n. c450–c380 b.c., Athenian orator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lysi- Lysimachus Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language