1. groups of three closely related or similar things or people
2. the Christian doctrine of the Father, Son, and Holy Spirit as three persons in one God
Usage: religious; often capitalized as Trinity when referring to the Christian concept

Examples

• The book explores various trinities found in world religions.
• Many cultures have trinities of gods or goddesses.
• The professor discussed different trinities in ancient mythology.
• Christian theology centers on the concept of the Trinity.
• The artist’s work featured trinities of colors throughout.
• Several trinities of important historical figures shaped the era.