department of defense department of corrections • department of defense laboratory system · · · Info · Definitions · Characters · · department of defense · · Text Common · · Latin · · Scripts 21 · · Length 6 · · Syllables Definitions · · · (noun) the federal department responsible for safeguarding national security of the United States; created in 1947. Synonyms: Department of Defense, Defense Department, United States Department of Defense, Defense, DoD. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074