holy trinity
proper noun
Definitions
The three persons of the Godhead: the Father, Son and Holy Spirit.
Three prestigious colleges in the US: Harvard, Yale, and Princeton.
Celery, bell peppers and onions, three important ingredients in Cajun cuisine.
The combination of an opioid, a benzodiazepine and carisoprodol.
noun
Definitions
A triad of people or things which are considered (especially) essential.