noun business 1. a. a group of Japanese businesses that are closely linked through shareholding, etc, and form a strong corporate unit ⇒ Banks are the linchpin of their keiretsu, or corporate grouping, around which much of Japanese industry is based., ⇒ A distribution keiretsu was developed with four primary wholesalers who control about two-thirds of the Japanese market today.
b. (as modifier) ⇒ keiretsu groups
2. a non-Japanese business conglomerate similar to a keiretsu ⇒ The Durant keiretsu was still based on the belief that management means command and control; this was why Durant bought all the companies that became part of General Motors's keiretsu.
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