American English

Definition of proprietorial adjective from the Oxford Advanced American Dictionary

 

proprietorial

 adjective
adjective
NAmE//prəˌpraɪəˈtɔriəl//
 
(formal)
 
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relating to an owner or to the fact of owning something proprietorial rights He laid a proprietorial hand on her arm (= as if he owned her).
proprietorially
 
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adverb
See the Oxford Advanced Learner's Dictionary entry: proprietorial