/ Dictionary / Index L Lake Success: Meaning and Definition of Find definitions for: Lake' Success' Pronunciation: [key] a town on Long Island, in SE New York: temporary United Nations headquarters 1946–51. 2396. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lake sturgeon lake trout Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language