Found 2 items, similar to MO.
English → English (WordNet)
Definition: Mo
Mo
n 1: a polyvalent metallic element that resembles chromium and
tungsten in its properties; used to strengthen and
harden steel [syn: 
molybdenum, 
atomic number 42]
2: a midwestern state in central United States; a border state
during the American Civil War, Missouri was admitted to
the Confederacy without actually seceding from the Union
[syn: 
Missouri, 
Show Me State]
English → English (gcide)
Definition: MO
MO 
\MO\,
abbreviation for 
modus operandi, manner of operating; --
often used to refer to the method an habitual criminal uses
to perpetrate his crime.
[PJC]
Modus operandi 
\Mo"dus op`er*an"di\[L.],
manner of operating. Often abbreviated to 
MO
[1913 Webster]