/ Dictionary / Index L leave of absence: Meaning and Definition of Find definitions for: leave' of ab'sence Pronunciation: [key] permission to be absent from duty, employment, service, etc.; leave. the length of time granted in such permission: a two-year leave of absence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Leavenworth leaves Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language