/ Dictionary / Index L Lacan: Meaning and Definition of Find definitions for: La•can Pronunciation: (lu-kän', -kän'), [key] 1901–81, French philosopher and psychoanalyst. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lac La Canada-Flintridge Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language