Megachain

Origin

- + chain

Full definition of megachain

Noun

1. A very large and successful chain (group of stores or businesses).
• 2007, January 3, Julie Bosman, A Princeton Maverick Succumbs to a Cultural Shift, Independent bookstores, of course, have been under siege for nearly two decades by the megachains and the Web retailers, and have been steadily dropping away, one by one.