/ Dictionary / Index D duramen: Meaning and Definition of Find definitions for: du•ra•men Pronunciation: (doo-rā'min, dyoo-), [key] — n. Bot. heartwood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: duramen (Thesaurus) dura mater durance Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language