/ Dictionary / Index C cyberspace: Meaning and Definition of Find definitions for: cy•ber•space Pronunciation: (sī'bur-spās"), [key] the realm of electronic communication. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyberspace (Thesaurus) cybersex cyborg Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language