/ Dictionary / Index L Leavenworth: Meaning and Definition of Find definitions for: Leav•en•worth Pronunciation: (lev'un-wûrth", -wurth), [key] — n. a city in NE Kansas. 33,656. a federal and military prison there. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leavening leave of absence Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language