Cross form
Greek cross
Also: crux immissa quadrata · equal-armed cross
Form
Four arms of equal length.
When it is documented
In common use by the 4th century.
Context
Frequent in Byzantine art and architecture, and in Eastern Christian decoration generally.
Links in the Atlas
- Widely used in Eastern Orthodox Church (Tradition)
Common in Byzantine art; not an official emblem of the communion.
- Widely used in Greek Orthodox Church (Tradition)
Associated with Byzantine tradition; not an official emblem.
Sources and how they were checked
Equal arms; in common use by the 4th century.
Wikipedia, “Christian cross variants” — Greek cross · checked 2026-10-21 (tertiary reference)