[ trin-i-tee ]
/ ˈtrɪn ɪ ti /

noun, plural Trin·i·ties for 2, 4.

Also called Blessed Trinity, Holy Trinity. the union of three persons (Father, Son, and Holy Ghost) in one Godhead, or the threefold personality of the one Divine Being.
a representation of this in art.
(lowercase) a group of three; triad.
(lowercase) the state of being threefold or triple.

Origin of Trinity

1175–1225; Middle English Trinite < Old French < Late Latin trīnitās triad, trio, the Trinity, equivalent to trīn(us) threefold (see trine) + -itās -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trinity

British Dictionary definitions for trinity


/ (ˈtrɪnɪtɪ) /

noun plural -ties

a group of three
the state of being threefold

Word Origin for trinity

C13: from Old French trinite, from Late Latin trīnitās, from Latin trīnus triple


/ (ˈtrɪnɪtɪ) /


Also called: Holy Trinity, Blessed Trinity Christian theol the union of three persons, the Father, Son, and Holy Spirit, in one Godhead
Holy Trinity a religious order founded in 1198
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for trinity



early 13c., "the Father, Son and Holy Spirit," constituting one God in prevailing Christian doctrine, from Old French trinite (11c.), from Latin trinitatem (nominative trinitas) "Trinity, triad" (Tertullian), from trinus "threefold, triple," from plural of trini "three at a time, threefold," related to tres (neuter tria) "three." The Latin word was widely borrowed in European languages with the rise of Christianity (e.g. Irish trionnoid, Welsh trindod, German trinität).

Online Etymology Dictionary, © 2010 Douglas Harper

Culture definitions for trinity


A doctrine of Christianity that there is one God and three divine persons in the one God: the Father, the Son (Jesus), and the Holy Spirit.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.