Main Entry: Trin·i·ty

Pronunciation: \ˈtri-nə-tē\

Function: noun

Etymology: Middle English trinite, from Anglo-French trinité, from Late Latin trinitat-, trinitas state of being threefold, from Latin trinus threefold

Date: 13th century

1 : the unity of Father, Son, and Holy Spirit as three persons in one Godhead according to Christian dogma
2 not capitalized : a group of three closely related persons or things
3 : the Sunday after Whitsunday observed as a feast in honor of the Trinity