/ Dictionary / Index H heterotaxis: Meaning and Definition of Find definitions for: het•er•o•tax•is Pronunciation: (het"ur-u-tak'sis), [key] — n. abnormal or irregular arrangement, as of parts of the body, geological strata, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heterotactic heterotelic Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language