ABSTRACT
M noun 1 morphine US, 1914. 2 marijuana. Extended from the previous sense. US, 1955. 3 an MBE (Member of the Order of the British Empire). Used by civil servants, suggestive of a casual familiarity with the honour. uk, 1961. 4 the Mexican Mafia, a Mexican-American prison gang US, 1978. 5 Memphis US, 2004
