/ Dictionary / Index S spacewalk: Meaning and Definition of Find definitions for: space•walk Pronunciation: (spās'wôk"), [key] — n. a task or mission performed by an astronaut outside a spacecraft in space. —v.i. to execute such a task or mission. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spacewalk (Thesaurus) space travel spacewoman Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language