adj.
- Of or relating to the Christian Trinity.
- Believing or professing belief in the Christian Trinity or the doctrine of the Trinity.
- trinitarian Having three members, parts, or facets.
- One who believes in the Christian doctrine of the Trinity.
- A member of a Roman Catholic religious congregation founded in 1198 and now devoted to teaching, nursing, and pastoral work.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.