From Longman Dictionary of Contemporary Englishdemilitarizede‧mil‧i‧ta‧rize (also demilitarise British English) /ˌdiːˈmɪlətəraɪz/ verb [transitive] PMto remove the weapons, soldiers etc from a country or area so that there can be no fighting there the demilitarized zone between the two countriesGrammar Demilitarize is usually passive. —demilitarization /diːˌmɪlətəraɪˈzeɪʃən $ -rə-/ noun [uncountable]→ See Verb table
Examples from the Corpus
demilitarized zone• On March 30,1972, Hanoi launched its own major offensive across the demilitarized zone.• The demilitarized zone between the two countries is heavily guarded. 