/ Dictionary / Index C cnidoblast: Meaning and Definition of Find definitions for: cni•do•blast Pronunciation: (nī'du-blast"), [key] — n. Zool. the cell within which a nematocyst is developed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cnido- cnidocil Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language