/ məˈkænɪk; NAmE / noun
a person whose job is repairing machines, especially the engines of vehicles :
a car mechanic
mechanics [ U ] the science of movement and force
—see also quantum mechanics
mechanics [ U ] the practical study of machinery :
the school's car maintenance department where students learn basic mechanics
the mechanics [ pl. ] the way sth works or is done :
The exact mechanics of how payment will be made will be decided later.
late Middle English (as an adjective in the sense relating to manual labour ): via Old French or Latin from Greek mēkhanikos , from mēkhanē , from mēkhos contrivance.