ˌpatron ˈsaint noun [countableC] patron saint• But the parish comprising One Row and the long-since destroyed West Hartburn kept the name of its patron saint.• Andrew Carnegie has been called the patron saint of compassionate capitalism.• And the ultimate irony about Saint-Mames is that that particular saint Saint-Mames is the patron saint of the stomach.• Perseus was the patron saint of poets. patron saint of• St. Christopher, the patron saint of travelers