metoposcopical,a.rare—1.|mɛtəpəʊˈskɒpɪkəl| [Formed as prec. + -ical.] Pertaining or relating to metoposcopy. 1820Scott Abbot xxxii, His learned face stooping until a physiognomist might have practised the metoposcopical science upon it, as seen from behind betwixt his gambadoes.