/ Dictionary / Index A archiblastic: Meaning and Definition of Find definitions for: ar•chi•blas•tic Pronunciation: (är"ku-blas'tik), [key] — adj. of, pertaining to, or derived from an archiblast. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. archiblast archicarp Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language