A corona.
A circle of light or halo around the head of a deity or a saint.
Any luminous or colored ring that encircles something.
A ring around an igneous intrusion.
The wreath, or chaplet, surmounting or encircling the helmet of a knight and bearing the crest; a torse.
A fillet under the ovolo of a capital.
A bordure that runs around the outline of a shield without touching the edge.