a case or cupboard usu with doors, shelves, and compartments for storing or displaying articles
an upright case housing a radio, television, etc
(often Cabinet) (treated as sing. or pl) a body of advisers to a head of state, e.g.:
in Britain, a body consisting of the prime minister and senior ministers who together formulate government policy
in the USA, the heads of the executive departments of government collectively
cabinetry noun
[French cabinet small room, dimin. of early French cabine gambling house]