1. consisting of three parts or elements; threefold
Usage: formal

Examples

• The ancient symbol displayed a trinal design representing mind, body, and spirit.
• The philosopher described a trinal nature of human existence.
• The treaty established a trinal alliance between the three nations.
• Her research focused on the trinal structure of the compound.
• The cathedral’s architecture featured trinal arches throughout the nave.
• The trinal classification system divided the specimens into three distinct groups.