from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A method of operating or functioning.
- n. A person's manner of working.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person or thing's normal mode of operation.
- n. A known criminal's established habits and mode of work when committing specific offences, especially fraud, matched with characteristics of an unsolved crime to narrow down (limit to a specific list) or profile suspects.
from the GNU version of the Collaborative International Dictionary of English
- manner of operating. Often abbreviated to MO
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an unvarying or habitual method or procedure
New Latin modus operandī : Latin modus, mode + Latin operandī, genitive sing. gerund of operārī, to work.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin modus operandi, from modus ("manner, method") and operandi ("of working") (Wiktionary)