/ Dictionary / Index L laches: Meaning and Definition of Find definitions for: lach•es Pronunciation: (lach'iz), [key] — n. (used with a sing. v.) Law. failure to do something at the proper time, esp. such delay as will bar a party from bringing a legal proceeding. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. La Chaise Lachesis 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