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English definition of “patriarch”

patriarch

noun [C]  /ˈpeɪ·triˌɑrk/ us  
a powerful and usually older man in charge of a family, or the male leader of a society in which men hold power
patriarchal
adjective  /ˌpeɪ·triˈɑr·kəl/ us  
a patriarchal society
(Definition of patriarch from the Cambridge Academic Content Dictionary © Cambridge University Press)
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