Definition of "Trinity"

Trinity

/ˈtɹɪ.nɪ.ti/

proper noun
1. (Christianity) In Christian belief, the three persons (personae) of the Godhead: Father, Son and Holy Spirit.
  Quotations
  He speaks distinctly of the Trinity of the godhead in the Father, the Son, and the Holy Ghost.
  1836, Thomas Robbins, A Discourse on the Doctrine of the Trinity, page 17
  From all eternity Jesus Christ existed, and Jesus Christ was with God the Father, the first person of the Trinity; and Jesus Christ was God the Son, the second person of the Trinity.
  1846, John Wilson, Scripture Proofs and Scriptural Illustrations of Unitarianism, page 149
2. A female given name from English used since the 1970s, from the religious term trinity, or translated from its long-established Spanish equivalent.
3. A male given name
4. A small coastal town in Newfoundland, Newfoundland and Labrador, Canada.
5. A town in Alabama.
6. A city in North Carolina.
7. A city and town in Texas.
8. (UK, Ireland, law, education) Ellipsis of Trinity term.
9. (Cambridge University, informal) Ellipsis of Trinity College, Cambridge.
10. (Oxford University, informal) Ellipsis of Trinity College, Oxford.
11. The world's first nuclear explosion: a nuclear test on July 16, 1945, in New Mexico.