Englishhomeland securitynounMeaningThe concerted national effort, principally by government, to keep the United States safe and resilient to terrorism and other hazards.Related wordshome office(English)ur-homeland(English)home department(English)public health service(English)haven(English)occupational health and safety(English)hazmat(English)health and safety(English)SourcesDictionaryAPI.dev English dictionary data