/ Dictionary / Index C cell wall: Meaning and Definition of Find definitions for: cell' wall' Pronunciation: [key] — Biol. Biol. the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cellulosic celom 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