Ireland's OWN: Celtic Symbols

The Dragon

The dragon is a mighty magickal animal; it represents vitality and energy.
The dragon is symbolic of a union of the beneficial powers of the elements: Uniting water (the serpent) with air (the bird), it represents the coming together of matter and spirit.
The whole Earth was viewed by the Druids as the body of the Dragon. Menhirs and stone Circles were located at great Power nodes.
Another name for raising power is to invoke the "Eye of the Dragon".
The beneficent aspects of dragon energy are displayed on the Welsh flag with its proud, red dragon.
In the Far East, the dragon represented the positive aspects of primal energy.
The infamous painting of St. George, the Dragonslayer, could be symbolic of the Christian destruction of Pagan beliefs.

Sources include: Personal knowledge, Celtic Magic by DJ Conway, The Secret Language of Symbols by David Fontana, The Celtic Book of the Dead by Caitlin Matthews, Celtic Wisdom by Caitlin and John Matthews, Celtic Cross Stitch by Anne Orr and Lesley Clark and Celtic Myth and Magick by Edain McCoy.