From the Latin lumin: light. Luminary is a poetic term for the astronomical bodies that generate or reflect light. In our solar system they are primarily the Sun, Moon, and planets.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...