/ Dictionary / Index L lion's share: Meaning and Definition of Find definitions for: li'on's share" Pronunciation: [key] the largest part or share, esp. a disproportionate portion: The eldest son received the lion's share of the estate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lions Liouville 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