Transfiguratien \Trans*fig`u*ra"tien\, n. [L. transfiguratio: cf. transfiguration.]

1. A change of form or appearance; especially, the supernatural change in the personal appearance of our Savior on the mount.

2. (Eccl.) A feast held by some branches of the Christian church on the 6th of August, in commemoration of the miraculous change above mentioned.

Source: Webster's Revised Unabridged Dictionary (1913)