/ Dictionary / Index D dodecasyllabic: Meaning and Definition of Find definitions for: do•dec•a•syl•lab•ic Pronunciation: (dō-dek"u-si-lab'ik, dō"dek-), [key] — adj. consisting of or pertaining to 12 syllables. —n. a dodecasyllable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dodecastylos dodecasyllable 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