The corresponding word in Greek is "Τριάς" (Trias), meaning "a set of three" or "the number three." Find another word for trinity. This abstract noun is formed from the adjective trinus (three each, threefold, triple), as the word unitas is the abstract noun formed from unus (one). Trinity: a group of three. Trinity definition: In the Christian religion , the Trinity or the Holy Trinity is the union of the Father,... | Meaning, pronunciation, translations and examples From Longman Dictionary of Contemporary English the Trinity the Trinity (also the Holy Trinity) RRC in the Christian religion, the union of Father, Son, and Holy Spirit in one God → trinity Examples from the Corpus the Trinity • Now it is the age of fulfilled man who takes in all the Trinity … From Longman Dictionary of Contemporary English trinity trin‧i‧ty / ˈtrɪnəti / noun → the Trinity Examples from the Corpus trinity • They look at each other in mutual love and self-giving, a trinity yet together revealing the unity of the Godhead. • He saw that they celebrated nature as a living, breathing trinity. The triquetra (/ t r aɪ ˈ k w ɛ t r ə /; from the Latin adjective triquetrus "three-cornered") is a triangular figure composed of three interlaced arcs, or (equivalently) three overlapping vesicae piscis lens shapes.. A female given name from English used since the 1970s, from the religious term trinity, or translated from its long-established Spanish equivalent. A male given name A small coastal town in Newfoundland and Labrador, Canada. The English word "Trinity" comes from Latin "Trinitas", meaning "the number three". 7 synonyms of trinity from the Merriam-Webster Thesaurus, plus 5 related words, definitions, and antonyms.