/ Dictionary / Index S space capsule: Meaning and Definition of Find definitions for: space' cap"sule Pronunciation: [key] capsule (def. 5). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. space cadet space carrier Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language