from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The doctrine of the Trinity.
from The Century Dictionary and Cyclopedia
- n. A going round about; a rotation.
Ancient Greek περί (peri, "around") + χορεύω (khoreuō, "dance"), because the relationship between the three members of the Trinity was described by early Christians as an eternal 'holy dance' of each member around the other two. (Wiktionary)