Hoof
'The hooves of the horses,' as mentioned in Ezekiel 26:21, signify scientific things which pervert truths. 'The hooves of horses' signify the lowest intellectual principles. 'A hoof' signifies truth in the ultimate degree, or sensory truth.
(Referencat: Arcana Coelestia 7729)
Matthew 17:2
2
He was transfigured before them. His face shone like the sun, and his garments became as white as the light.