/ Dictionary / Index L Long Beach: Meaning and Definition of Find definitions for: Long' Beach" Pronunciation: [key] a city in SW California, S of Los Angeles: a seaside resort. 361,334. a city on SW Long Island, in SE New York. 34,073. (ital.)the U.S. Navy's first nuclear-powered surface ship, a guided-missile cruiser launched in 1959. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. long barrow longbeard Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language