Term Meaning
Astrology A system of understanding the world from an interpretation of the positions and relationships between the planets.
Beltaine Celtic Summer.
Channeling The act of communication with dis-incarnate entities through a medium. Can be oral, written or painted.
Corn Dolly An effigy constructed from the straw of corn (wheat, barley, oats, rye or maize) for use in ritual.
Dousing Use of pendulum to receive answers from other realms.
Druids Priestly class of the Western Celts.
Goddess In the more general sense, the feminine power of Nature. In more specific terms individual deities representing different aspects of the feminine.
Grail Initially, a platter of plenty. Later, the cup used at the christian Last Supper.
Green Man A face created from leaves, vines and/or flowers. It is the representation of the living forces of Nature. May also be a person representing the nature energy archetype in a ritual.
Horoscope A snapshot in time locating the position of planets at that time. Also includes the interpretation of such snapshot.
Imbolc Celtic Spring.
Lughnasa Celtic Autumn.
Magic The manipulation of Nature by humans.
Meditation The process whereby the conscious mind is stilled of chatter.
Medium Person, cards or other system through which access to esoteric material is facilitated.
Numerology An understanding of the Universe by accessing the vibrations it is made up of.
Ogham Celtic script consisting of marks upon a perpendicular central line. See here.
Oracle A medium through whom a prophecy is passed.
Oracle Cards A set of cards used to access prophecy and/or esoteric information.
Pagan Originally from the Latin pagi, meaning of the countryside. From that it came to mean followers of the countryside religion. Now it means followers of Earth Centred Spiritualities. 
Runes A Northern European Script used as an oracle. These are usually inscribed on stones.
Sacred Circle A circle cast intentionally as part of a ritual to both keep the outside world away and to contain energy within.
Samhain Celtic Winter.
Staff Used in ritual magic as a device to focus the energy.
Tarot An oracle based upon a 78 card deck.
Tree horoscope Horoscope cast  using the Celtic Tree Zodiac.
Wicca The name developed during the 1950s to distinguish followers of pagan rites from the christian demonized “witch”.
Witch Either a christian denigration of pagan women or a political choice by some pagan practitioners to confront christian values.
Zodiac The collection of star signs, tree signs that complete the circle of the heavens/year and form the basic building blocks of astrology.

Any other terms you wished to the glossary? email me