/ Dictionary / Index K Kleiber: Meaning and Definition of Find definitions for: Klei•ber Pronunciation: (klī'bur), [key] 1890–1956, Austrian orchestra conductor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Kleenex Klein 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