mechanism

Universal Words noun 1 a set of moving parts in a machine that performs a task: a delicate watch mechanism * The mechanism for locking the door of the washing machine is childproof. 2 a method or a system for achieving sth: mechanisms for dealing with complaints from the general public * The college has established an effective student support mechanism. seealsoERM 3 a system of parts in a living thing that together perform a particular function: the balance mechanism in the ears * Pain acts as a natural defence mechanism.