/ Dictionary / Index D Dedham: Meaning and Definition of Find definitions for: Ded•ham Pronunciation: (ded'um), [key] — n. a town in E Massachusetts, near Boston. 25,298. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dedendum dedicate Related Content Daily Word Quiz: verbose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language