/ Dictionary / Index D DMZ: Meaning and Definition of Find definitions for: DMZ Pronunciation: [key] demilitarized zone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dmz (Thesaurus) DMV dn. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language