subsidiary has definitions from the fields of business,work
1
[ noun ] (work) someone subject to the authority or control of another
2
[ adjective ] functioning in a subsidiary or supporting capacity

Examples

"the main library and its auxiliary branches"

Related terms

secondary

3
[ adjective ] relating to something that is added but is not essential

Examples

"an ancillary pump" "an adjuvant discipline to forms of mysticism" "The mind and emotions are auxilliary to each other"

Related terms

supportive

4
[ noun ] (business) a company that is completely controlled by another company

Related terms

company

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