m3 m2 • m4r1ju4n4 · · · Info · Definitions · Characters · · m3 · · Text Common · · Latin · · Scripts 2 · · Length 1 · · Syllables Definitions · · · (noun) a measure of the money supply; M2 plus deposits at institutions that are not banks (such as savings and loan associations). Synonyms: M3. · · Noun Definition 1 Characters · · 3 digit three U+0033 m latin small letter m U+006D