/ Dictionary / Index L Las Vegas: Meaning and Definition of Find definitions for: Las Ve•gas Pronunciation: (läs vā'gus), [key] a city in SE Nevada. 164,674. a city in central New Mexico. 14,322. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. last word Las Vegas night Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language