subsidiary

US /səbˈsɪd.i.er.i/
UK /səbˈsɪd.i.er.i/
1.

Tochtergesellschaft

less important than but related or supplementary to something.

:
a subsidiary flue of the main chimney
1.

Tochtergesellschaft

a company controlled by a holding company.

:
a subsidiary of Cable and Wireless