/ Dictionary / Index L lioness: Meaning and Definition of Find definitions for: li•on•ess Pronunciation: (lī'u-nis), [key] — n. a female lion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lioness (Thesaurus) Lionel lionet Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language