/ Dictionary / Index S subcellular: Meaning and Definition of Find definitions for: sub•cel•lu•lar Pronunciation: (sub-sel'yu-lur), [key] — adj. Biol. contained within a cell. at a level of organization lower than the cellular. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subcellar subcenter 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