Definition of ancillary adjective from the Oxford Advanced American Dictionary

     

    ancillary

     adjective
    adjective
    NAmE//ˈænsəˌlɛri//
     
    ancillary (to something)
     
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  1. 1 providing necessary support to the main work or activities of an organization synonym auxiliary ancillary staff/services/equipment ancillary workers in the hospital, such as cooks and cleaning staff
  2. 2in addition to something else but not as important ancillary rights
See the Oxford Advanced Learner's Dictionary entry: ancillary