/ Dictionary / Index D Decapolis: Meaning and Definition of Find definitions for: De•cap•o•lis Pronunciation: (di-kap'u-lis), [key] — n. a region in the NE part of ancient Palestine: confederacy of ten cities in the 1st century b.c. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decapod decarbonate 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