adj. Threefold, having three components that are both separate and united; said especially of the Trinity of Christian doctrine.
the GNU version of the Collaborative International Dictionary of English
adj. Being three in one; -- an epithet used to express the unity of a trinity of persons in the Godhead.
The Century Dictionary and Cyclopedia
Three in one.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. being three in one; used especially of the Christian Trinity
Word Usage
"The Trinity, as commonly accepted, Mrs. Eddy denies, though she seems to admit a kind of triune nature in God by saying over and over again that he is "Love, Truth, and Life.""