A surgical procedure performed on the body for medical purposes

Daktari alifanya operesheni ya moyo kwa mgonjwa huyo.
— The doctor performed heart surgery on that patient.
Operesheni ilifanikiwa na mgonjwa anapona vizuri.
— The operation was successful and the patient is recovering well.
A military or security activity aimed at achieving specific objectives

Jeshi lilianzisha operesheni ya kuwakamata wahalifu katika mji.
— The military launched an operation to arrest criminals in the city.
Operesheni ya usalama ililenga kuzuia uhalifu wa kigaidi.
— The security operation aimed to prevent terrorist crime.