Lewis Short
cŏrōnŭla (noun F) : dim.corona, II. D..
* The ornament on a mitre, Vulg. Exod. 39, 26.
* The rim or border of the base of a laver, Vulg. 3, Reg. 7, 29.
* A little crown above the horse's hoof, Veg. Art. Vet. 3, 55, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary