Holy Trinity

noun

Definition of Holy Trinity

1 : trinity sense 1 According to legend, St. Patrick used the shamrock to explain the Holy Trinity to the Celts.— Rosemary Ellen Guiley

2 or holy trinity

a : a group of three things or people regarded as having fundamental importance or prominence in a particular place or area of interest or activity By September, the region's famous foliage is emerging, the air is crisp, and it's prime time for the first two sports of the Woodstock Holy Trinity of fishing, biking, and skiing.National Geographic I grew up in a town so white that our celebrity holy trinity consisted of Martha Stewart, Paul Newman, and Jason Robards.— Robert Wilder Vanilla, chocolate and strawberry, the holy trinity of young ice-cream purists…— Pierre Franey … mocks the holy trinity of the art world—sex, drugs and pretension.— Maria Simson
b cooking : the combination of onion, bell pepper, and celery as it is employed in Cajun and Creole cuisine Almost every traditional Cajun recipe calls for the merged flavors of the Holy Trinity to serve as its underpinning, rendering the three aromatic vegetables the most prized ingredients of all in New Orleans cookery.— Lia Ryerson

First Known Use of Holy Trinity

13th century, in the meaning defined at sense 1

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The first known use of Holy Trinity was in the 13th century

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