/ Dictionary / Index S spaceband: Meaning and Definition of Find definitions for: space•band Pronunciation: (spās'band"), [key] — Print. Print. a wedge-shaped piece of metal used in typecasting machines to adjust the space between words and to justify lines of type. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Space Age space bar Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language