zaibatsu

1. (business, historical) A large business conglomerate founded under the Empire of Japan, generally controlled by a single family or individual.Examples: "He wondered briefly what it would be like, working all your life for one zaibatsu. Company housing, company hymn, company funeral."; "At other points, the film suggests the motive is financial, depicting the Kobayashi clan as staging an industrial coup of sorts, like a quirky Andersonian take on the zaibatsu (a term for the family-controlled business monopolies that dominated Japan until the end of World War II)."historical

2. (US, loosely) Any large corporation.Examples: "Near-synonyms: megacorporation, supercorporation"USbroadly