/ Dictionary / Index D decathlete: Meaning and Definition of Find definitions for: de•cath•lete Pronunciation: (di-kath'lēt), [key] — n. an athlete who takes part in or trains chiefly for a decathlon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decathect decathlon 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