1. plural of keiretsu; large Japanese business groups or conglomerates consisting of multiple companies linked by cross-shareholding and coordinated management.
Usage: business/economics term; plural form; singular is 'keiretsu'; Japanese loanword

Examples

• Japanese keiretsus like Mitsubishi and Sumitomo have historically dominated their nation's economy.
• The keiretsus system created strong ties between manufacturers, suppliers, and financial institutions.
• Many Western companies struggled to compete with the integrated keiretsus in the automotive industry.
• The structure of keiretsus differs significantly from typical Western corporate hierarchies.
• Deregulation in Japan has weakened some traditional keiretsus over the past two decades.