/ Dictionary / Index C cellular: Meaning and Definition of Find definitions for: cel•lu•lar Pronunciation: (sel'yu-lur), [key] — adj. pertaining to or characterized by cellules or cells, esp. minute compartments or cavities. of or pertaining to cellular phones. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cellular (Thesaurus) cell theory cellular immunity Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language