/ Dictionary / Index N New Spain: Meaning and Definition of Find definitions for: New' Spain' Pronunciation: [key] the former Spanish possessions in the Western Hemisphere, at one time including South America (except Brazil), Central America, Mexico, the West Indies, Florida, and most of the land in the U.S. west of the Mississippi River. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. New South Wales newspaper Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language