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n. pl. keiretsu or kei·ret·sus
A network of businesses that own stakes in one another as a means of mutual security, especially in Japan, and usually including large manufacturers and their suppliers of raw materials and components.

[Japanese, series, affiliation : kei, system + retsu, row, line.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Commerce)
a. a group of Japanese businesses that are closely linked through shareholding, etc, and form a strong corporate unit
b. (as modifier): keiretsu groups.
2. (Commerce) (as modifier): keiretsu groups.
3. (Commerce) a non-Japanese business conglomerate similar to a keiretsu
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(keɪˈrɛt su)
n., pl. -su.
(esp. in Japan) a loose coalition of business groups.
[1975–80; < Japanese]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
We have designed and breathed life into perhaps the most significant blockchain keiretsu in the world, a network of blockchain firms seeking to revolutionize identity, land governance, central banking, capital markets, supply chains, and voting.
Like the&nbsp;( chaebol of South Korea &nbsp;and&nbsp;( keiretsu in Japan , affiliates and subsidiaries of Chinese megafirms are typically part of a network of cross-owned businesses.
The collaboration of organizations such as the Idaho Technology Council, Trailhead Boise,,the Boise Angel Alliance, Keiretsu Forum and other stakeholders improve the economic climate for entrepreneurship, said attendee Jolene Anderson, chapter presidentof the Boise/ID Keiretsu Forum.
After WWII, the zaibatsu were dissolved and some re-emerged in a new form of business group (keiretsu or industrial groups), while new groups were also formed.
It is part of the Mitsubishi keiretsu, formerly the biggest industrial group in Japan, and was formed in 1970 from the automotive division of Mitsubishi Heavy Industries.
Matulis joins the Seamans Capital Management team from Keiretsu Capital, a Seattle-based angel investment manager, where she led the firm's operations.
Carmell received strong support from current investors as well as a new investor, Keiretsu Forum Capital.
The Large Retail Store Law still remained to protect small retailers and indirectly supported the tied distribution networks of large keiretsu, creating additional barriers for foreign firms.
The most recent news reports based on five Wikileaks documents, plus a list of targeted telephone numbers, detail how Washington spied on senior members of the Japanese government, as well as on banks and companies such as the major diversified conglomerates Mitsui and Mitsubishi, referred to as keiretsu. According to the documents that were made public, 35 numbers were targeted specifically by the NSA for coverage between 2006 and 2009.
Companies Mentioned in this Report: Fiat Chrysler Automobiles N.V., PSA Peugeot Citroen, Renault Group, Ford Group, Volkswagen AG, General Motors Company, Daimler AG, Nissan Motor Company, Volvo Group, Isuzu Motors Ltd., Scania AB, Mitsubishi Keiretsu, MAN, DAF Trucks N.V., Evobus, Neoman, King Long S.p.A., Solaris, Temsa, Vdl Bus e Coach, Opel, Tata motors, Others
9 December 2014 - Japan-based keiretsu Mitsui and Co., Ltd.