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m.o.

See more synonyms on Thesaurus.com
  1. mail order.
  2. modus operandi.
  3. money order.

M.O.

  1. mail order.
  2. manually operated.
  3. Medical Officer.
  4. method of operation.
  5. mode of operation.
  6. modus operandi.
  7. money order.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for m.o.

m.o.

MO

abbreviation for
  1. mail order
  2. money order
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012