/ Dictionary / Index S space travel: Meaning and Definition of Find definitions for: space' trav"el Pronunciation: [key] spaceflight of manned vehicles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. space-time spacewalk Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language