In the O.T.O., the name for the holder of the tenth degree of the Order. Part of the first or "Hermit" Triad. It is the title held by the National Master General of the O.T.O. in a particular country.
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...