/ Dictionary / Index L Lao-tzu: Meaning and Definition of Find definitions for: Lao-tzu Pronunciation: (lou'dzu'), [key] — n. (Li Erh, Li Er) 6th-century b.c. Chinese philosopher: reputed founder of Taoism. (italics) See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lao-tzu (Thesaurus) Laotian lap Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language