/ ˈpeɪtrən; NAmE / noun
1.
a person who gives money and support to artists and writers :
Frederick the Great was the patron of many artists.
2.
a famous person who supports an organization such as a charity and whose name is used in the advertisements, etc. for the organization
3.
( formal ) a person who uses a particular shop / store, restaurant, etc. :
Patrons are requested not to smoke.
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WORD ORIGIN
Middle English : from Old French , from Latin patronus protector of clients, defender, from pater , patr- father.