A Caim Is a Celtic word. It means an invisible circle you put around yourself for immediate protection if you feel under threat. Draw an invisible circle around yourself with your right index finger by extending your arm towards the ground and turning clockwise with the Sun at day. Or Moon at night As you do this, become aware that you are safe and encompassed by the love of God and Goddess: that you are encircled, enfolded and protected. It is of Welsh origin and sounds like 'kime'