/ Dictionary / Index L Lysithea: Meaning and Definition of Find definitions for: Ly•sith•e•a Pronunciation: (lī-sith'ē-u), [key] — n. Astron. a small moon of the planet Jupiter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lysistrata* lyso- 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