op
noun /ɒp/
  /ɑːp/
 - (British English, informal) a medical operation
- I'm going in for my op on Monday.
 
 - ops(informal)operations[plural] the department in a company that manages the way it produces goods or delivers services and makes sure its business practices are efficient
- She works in Sales OPs.
 
 - [usually plural] military activity; military operations
- on ops to go out on ops
 - special ops
 - black ops (= secret military activities, especially illegal ones)
 - He was in charge of a covert ops team.