holy trinity

Alluding to the Holy Trinity Christians worship.

holy trinity (uncountable)

1. A triad of people or things which are considered (especially) essential.
   • 2009, Bruce G. Epperly, Katherine Gould Epperly, Tending to the Holy: The Practice of the Presence of God in Ministry (Rowman & Littlefield, →ISBN), page 49:

     Wonder, praise, and gratitude constitute the holy trinity of worship that inspires, heals, transforms, and challenges pastors and their communities in their quest to be God's companions mending the world.

   • 2014, Susan Dorsey Boland, Put Some Mayo on That (→ISBN), page 25:

     This is where I first read Yeats' The Stolen Child, Joyce's Araby, and Synge's Playboy of the Western World, among others. These three for me were the holy trinity of Irish writers and it was on that strand that I succumbed to their enchantment.

holy trinity

1. Alternative letter-case form of Holy Trinity (“three main ingredients of Cajun cuisine”)
   • 1995, National Geographic Traveler:

     It includes the Cajun-Creole holy trinity— onions, celery, and bell peppers.

   • 2007, Terri Pischoff Wuerthner, In a Cajun Kitchen (St. Martin's Press, →ISBN), page 5:

     AA simplified description of any Cajun dish based on roux is to make the roux, add the holy trinity and cook for a few minutes, [...]

   • 2016, George Graham, Acadiana Table (Harvard Common Press, →ISBN), page 98:

     This beefed-up skillet sauté with the Cajun holy trinity of aromatic vegetables will appeal to the hearty meat-and-potatoes crowd.