Meaning of “mechanism” - Learner’s Dictionary

mechanism

noun [ C ] uk us /ˈmekənɪzəm/
PART OF EQUIPMENT

a part of a piece of equipment that does a particular job:

The clock's winding mechanism had broken.
SYSTEM

a system for achieving something, or the way that a system works:

We need a mechanism for resolving this sort of dispute.

(Definition of “mechanism” from the Cambridge Learner’s Dictionary © Cambridge University Press)