1. a regular customer
  2. the proprietor of an inn
  3. someone who supports or champions something

From LookUp: Noun

  1. a person who gives financial or other support to a person, organization, cause, or activity a celebrated patron of the arts | Charles became a patron of Rubens and van Dyck

  2. Retail Restaurants a customer, especially a regular one, of a store, restaurant, or theater we surveyed the plushness of the hotel and its sleek, well-dressed patrons

  3. Roman History (in ancient Rome) a patrician in relation to a client. • See also client (sense 3)

Roman History (in ancient Rome) the former owner and (frequently) protector of a freed slave.

  1. Ecclesiastical Historical British a person or institution with the right to grant a benefice to a member of the clergy.

• short for patron saint