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English definition of “ancillary”

ancillary

adjective     /ænˈsɪl.ər.i/ US  /ˈæn.sə.ler.i/
providing support or help: ancillary staff/workers an ancillary role Campaigning to change government policy is ancillary to the charity's direct relief work.Also, extra, and in addition
(Definition of ancillary adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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