n.
- The Christian religion, founded on the life and teachings of Jesus.
- Christians as a group; Christendom.
- The state or fact of being a Christian.
- pl., -ties. A particular form or sect of the Christian religion: the Christianities of antiquity.
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.