Definition of modus operandi noun from the Oxford Advanced American Dictionary

 

modus operandi

 noun
noun
NAmE//ˌmoʊdəs ˌɑpəˈrændi//
 
, NAmE//ˌmoʊdəs ˌɑpəˈrændaɪ//
 
[singular](from Latin)(formal)(abbreviation MO)
 
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a particular method of working The police gave a full description of the thief's modus operandi.
See the Oxford Advanced Learner's Dictionary entry: modus operandi