msb msasa • msc · · · Info · Definitions · Synonyms · Characters · · msb · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) a state-chartered savings bank owned by its depositors and managed by a board of trustees. Synonyms: mutual savings bank, MSB. · · Noun Definition 1 Synonyms · · · mutual savings bank · · Synonym 1 Characters · · b latin small letter b U+0062 m latin small letter m U+006D s latin small letter s U+0073