omb omayyad • omber · · · Info · Definitions · Characters · · omb · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) the executive agency that advises the President on the federal budget. Synonyms: Office of Management and Budget, OMB. · · Noun Definition 1 Characters · · b latin small letter b U+0062 m latin small letter m U+006D o latin small letter o U+006F