/ Dictionary / Index D dekadrachm: Meaning and Definition of Find definitions for: dek•a•drachm Pronunciation: (dek'u-dram"), [key] — n. decadrachm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deka- dekagram Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language