The Collaborative International Dictionary
Metoposcopy \Met`o*pos"co*py\, n. [Gr. ? observing the forehead; ? the forehead + ? to view: cf. F. m['e]toposcopie.] The study of physiognomy; the art of discovering the character of persons by their features, or the lines of the face.
Wiktionary
n. The practice of judging someone's character, or telling their fortune, from studying their face or forehead.
Wikipedia
Metoposcopy is a form of divination in which the diviner predicts personality, character, and destiny, based on the pattern of lines on the subject's forehead. It was in use in the Classical era, and was widespread in the Middle Ages, reaching its zenith in the 16th and 17th centuries.
Usage examples of "metoposcopy".
There was over his face such a settled look of blandness that it seemed no metoposcopy could ever decide his true character.