Definition of supervisor noun from the Oxford Advanced American Dictionary

 

supervisor

 noun
noun
NAmE//ˈsupərˌvaɪzər//
 
 
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a person who supervises someone or something I have a meeting with my supervisor about my research topic. All work is done under the guidance of a supervisor.
supervisory
 
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NAmE//ˌsupərˈvaɪzəri//
 
adjective She has a supervisory role on the project.
See the Oxford Advanced Learner's Dictionary entry: supervisor