subsidiary
🇺🇸
/səbˈsɪdieri/
🇬🇧
/səbˈsɪdiəri/
secondary in importance
Math is my main subject, but I also study art as a subsidiary subject.
being a smaller part of a larger organization
The subsidiary company is responsible for the marketing aspect of the business.
a smaller company that is controlled by a larger one
He was transferred to the subsidiary in another city.