/ Dictionary / Index W World Series: Meaning and Definition of Find definitions for: World' Se'ries Pronunciation: [key] — Baseball. Baseball. an annual series of games between the winning teams of the two major leagues: the first team to win four games being champions of the U.S. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. World Savior world's fair Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language