/ Dictionary / Index C colloblast: Meaning and Definition of Find definitions for: col•lo•blast Pronunciation: (kol'u-blast"), [key] — n. Zool. one of the cells covered with sticky granules on the tentacles of a ctenophore, which aid in capturing prey. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. collision insurance collocate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language