/ Dictionary / Index A aortoclasia: Meaning and Definition of Find definitions for: a•or•to•cla•sia Pronunciation: (ā-ôr"tu-klā'zhu, -zhē-u), [key] — n. Pathol. rupture of the aorta. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aortitis aortography Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language