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.

Trinity Sunday.

( lowercase ) a group of three; triad.

( lowercase ) the state of being threefold or triple.

noun

three , threesome , triad , trine , triple , triumvirate , triune , triunity , troika , trilogy , trio