Meaning of dodecasyllabic

do•dec•a•syl•lab•ic

Pronunciation: (dō-dek"u-si-lab'ik, dō"dek-), [key]
— adj.
  1. consisting of or pertaining to 12 syllables.
—n.
  1. a dodecasyllable.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.