A person who allows a spirit to speak through them. This involves the (usually) willing participation of the channeler who temporarily allows a spirit to “possess” their body. A spirit medium may or may not be a channeler. Also known as a “trance medium” (and incorrectly a “transmedium”).
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...